CAS号查询 >  化工产品

热门搜索化学品最多只显示前20条，请点击“搜索化学品”查看所有结果


CAS登录号 中文名 英文名 分子结构式 分子式 详情 供应商
25852-37-32-甲基丙烯酸甲酯与丙烯酸丁酯的共聚物BUTYL acrylate-methyl methacrylate polymers;
BUTYL acrylate-methyl methacrylate COPOLYMER		CAS:25852-37-3分子结构(C5H8O2)n.(C7H12O2)n详情供应商
68081-82-32-甲基-1,3-丁二烯与氯化-2-甲基-1-丙烯的聚合物;
氯化异丁烯与异丙烯的聚合物;
氯化丁基橡胶		1,3-Butadiene, 2-methyl-, polymer with 2-methyl-1-propene, chlorinated;
Chlorinated isoBUTYLene, isoprene polymer;
IsoBUTYLene-isoprene COPOLYMER, chlorinated;
1,3-butadiene, 2-methyl-, polymer with2-methyl-1-propene, chlorinated		无(C5H8.C4H8Cl)x详情供应商
29405-51-42-甲基-2-丙烯酸甲酯与2-丙烯酸丁酯和2-丙烯酰胺的聚合物2-Propenoic acid, 2-methyl-, methyl ester, polymer with BUTYL 2-propenoate and 2-propenamide;
BUTYL acrylate, methyl methacrylate, acrylamide COPOLYMER		无(C7H12O2.C5H8O2.C3H5NO)x详情供应商
60621-79-62-甲基-丙烯酸甲酯与2-丙烯酸丁酯、苯乙烯、1-甲基苯乙烯和2-甲基-2-丙烯酸缩水甘油酯的共聚物Methyl methacrylate, BUTYLiacrylate, styrene, A-methylstyrene, glycidyl-methacrylate COPOLYMER无详情供应商
27941-08-8聚1,2-丙二醇己二酸酯Reoplex 400;
Poly[oxy(methylethylene)oxyadipoyl](8CI);
ADK Cizer P 200;
ADK Cizer PN 250;
Adeka P 200;
Adekacizer P 200;
Adekacizer PN 250;
Adipic acid-1,2-propanediol COPOLYMER, SRU;
Adipicacid-1,2-propanediol polymer, SRU;
Adipic acid-1,2-propylene glycol COPOLYMER,SRU;
Adipic acid-propylene glycol COPOLYMER, SRU;
Adipic acid-propylene glycolpolymer, SRU;
Desmophen S 108-46;
DiBUTYL adipate-1,2-propanediol COPOLYMER,SRU;
Dimethyl adipate-propylene glycol COPOLYMER, sru;
Diolpate 214;
Diolpate917;
Fomrez 33-225;
G 59;
Harflex 321;
Hexaplas PPA;
Lankroflex PLA;
LankroflexPPA 3;
Lankroflex PPL;
P 200;
PN 250;
PPA;
PPAL 6;
Paraplex G 53;
Paraplex G56;
Paraplex G 59;
Plascoat PPA 571;
Plastolein 9765;
Poly(1,2-propyleneadipate);
Poly(propylene adipate);
Poly(propylene adipate), SRU;
Poly(propyleneglycol adipate), SRU;
Polycizer W 2300;
Polycizer W 2600;
Reoplex 400;
RucoflexS 108-46;
S 108-46;
W 2600		CAS:27941-08-8化学结构(C9H14O4)n详情供应商
68959-06-8双(仲丁醇)正硅酸三乙基正硅酸酯铝盐bis(2-butanolato)(triethyl orthosilicato-O''')-Aluminum;
di-sec-Butoxyaluminoxytriethoxysilane;
bis(2-butanolato)(triethyl orthosilicato-o''')-aluminum;
diethoxysiloxane-s-BUTYLaluminate COPOLYMER		CAS:68959-06-8分子结构C14H33AlO6Si详情供应商
9038-95-3聚环氧乙烷聚环氧丙烷单丁基醚;
聚环氧乙烷聚环氧丙烷单丁基醚		Oxirane, 2-methyl-,polymer with oxirane, monoBUTYL ether;
Glycols,polyethylene-polypropylene, monoBUTYL ether (8CI);
Oxirane, methyl-, polymerwith oxirane, monoBUTYL ether (9CI);
Oxirane, polymer with methyloxirane,monoBUTYL ether (9CI);
50HB260;
50HB5100;
50HB55;
50MB5;
B 11/150;
B 11/300;
B11/50;
B 11/50 (polyoxyalkylene);
Bel-Ray Syncom 1400;
Breox 50A20;
Breox50A20S;
Breox 50A380;
Butanol-ethylene oxide-propylene oxide adduct;
Butoxypolyoxyethylene oxypropylene glycol;
Butoxypolyethylenepolypropyleneglycol;
Butoxyslovanik BK 61;
DCP 101;
Emkarox VG 680W;
Emulgen V 40;
Ethyleneglycol-propylene glycol polymer BUTYL ether;
Ethylene oxide-propylene oxideCOPOLYMER BUTYL ether;
Ethylene oxide-propylene oxide COPOLYMER ether withn-butanol;
Ethylene oxide-propylene oxide COPOLYMER mono-n-BUTYL ether;
Ethyleneoxide-propylene oxide COPOLYMER monoBUTYL ether;
Ethylene oxide-propylene oxidepolymer monoBUTYL ether;
FTD 89;
Jeffox WL 5000;
Jeffox WL 660;
Macol 300;
Macol 5100;
Methyloxirane-oxirane COPOLYMER monoBUTYL ether;
Newpol 50HB100;
Newpol 50HB2000;
Newpol 50HB260;
Newpol 50HB5100;
Newpol 50HB5100S;
Newpol50HB55;
Newpol 50HB600;
Nissan Disfoam CK 140;
Nissan Unilube 50MB11;
NissanUnilube 50MB168;
Nissan Unilube 50MB168L;
Nissan Unilube 50MB168R;
NissanUnilube 50MB26;
Nissan Unilube 50MB5;
Nissan Unilube 50MB72;
Nissan Unilube C;
Oxyethylene-oxypropylene COPOLYMER monoBUTYL ether;
PPG-26-buteth-26;
PPG-5-buteth-7;
PPG-buteth;
Pionin P 1050B;
Pluracol W 3520N;
Pluriol A 1000PE;
Pluriol A 2300PE;
Poly(propylene oxide-ethylene oxide) BUTYL ether;
Polyethyleneglycol-polypropylene glycol monoBUTYL ether;
Polyethylene polypropylene glycolBUTYL ether;
Polyethylene-polypropylene glycol monoBUTYL ether;
Polyglycol B11/300;
Polyglycol B 11/700;
Polyglykol B 11/50;
Polyhydroxyethyleneoxypropylene monoBUTYL ether;
Polykol B 11/50;
Polyoxyethylene polyoxyropylenemonoBUTYL ether;
Polyoxyethylene-polyoxypropylene monoBUTYL ether;
Synalox EPB660;
Tergitol XD;
Ucon 50-660;
Ucon 50HB100;
Ucon 50HB2000;
Ucon 50HB260;
Ucon50HB3520;
Ucon 50HB400;
CAS:9038-95-3化学结构C4H10O详情供应商
24968-12-5聚(1,4-亚丁基对苯二甲酸酯)Poly(oxy-1,4-butanediyloxycarbonyl-1,4-phenylenecarbonyl);
Poly(oxytetramethyleneoxyterephthaloyl)(8CI);
1,4-Butanediol-dimethyl terephthalate COPOLYMER, SRU;
1,4-Butanediol-dimethylterephthalate polymer, SRU;
1,4-Butanediol-divinyl terephthalate COPOLYMER,SRU;
1,4-Butanediol-monomethyl terephthalate COPOLYMER, SRU;
1,4-Butanediol-terephthalic acid COPOLYMER, SRU;
1,4-Butanediol-terephthalicacid polymer, SRU;
1,4-Butanediol-terephthaloyl chloride COPOLYMER, SRU;
1,4-Butanediol-terephthaloyl chloride polymer, SRU;
1,4-BUTYLeneglycol-terephthalic acid polymer, SRU;
1000F;
100M;
100M (polyester);
101GX54;
1097A;
1100S;
1100SS;
1101G30;
1101GX65B;
1200S;
1209X01;
1300A;
1401CH2;
1401X04;
1401X06;
1401X07;
1401X6;
140EM;
1500S;
200FP;
201AC;
273F;
273F(polyester);
3EF201X;
3XD478;
400FP;
4158G30;
5007A;
5008AS;
500FP;
5010AS;
5010R;
5010R5;
5020F;
5201XII;
600FP;
6PRO;
700FP;
700FT;
751SA;
800FP;
90YA;
A60823;
AZFAB;
Arnite B 600;
Arnite T;
Arnite T 04-200;
Arnite T 06;
Arnite T06-200;
Arnite T 06-202;
Arnite T 08-200;
Arnite TO 06;
Arnite TO 6-200;
ArniteTO 6-204;
Arnite TV 4-240;
Arnite TV 4-261;
Arnite TV 4-270;
Arnite TV 6-240;
Arnitel T-O 8-200;
Aronmelt PES 085;
Aronmelt PES 110;
Azmet;
B 4500;
B 4520;
BASF 6550;
BST-L 2100;
BT 1000;
BT 1000S01;
BT 262;
Bis(4-hydroxyBUTYL)terephthalate homopolymer, sru;
Butanediol-di-Meterephthalate COPOLYMER, SRU;
Butanediol-terephthalic acid COPOLYMER, SRU;
BUTYLene glycol-terephthalic acid COPOLYMER, SRU;
BUTYLene-terephthateCOPOLYMER;
C 2016;
C 7000;
C 7000 (polyester);
C 7000LE;
C 7000N;
C 7000NN;
C7000PG;
C 7000SH;
C 7000Z;
C 7000ZY;
C 7030N;
CBT 100;
CBT 160;
CBT 200;
CBT-XB0C;
CBT-XB 3;
CH 7000;
CL 7000;
CM 1200;
CN 7000;
Celanese 1300A;
Celanese1600A;
Celanese 2000;
Celanese 2000-2;
Celanese 2002;
Celanese 3310;
Celanese6407;
Celanex;
Celanex 1300A;
Celanex 1400A;
Celanex 1600;
Celanex 1600A;
Celanex 1700A;
Celanex 2000;
Celanex 2000-2;
Celanex 2001;
Celanex 2002;
Celanex 2002-2;
Celanex 2002-3;
Celanex 2003;
Celanex 2008;
Celanex 2011SE-O;
Celanex 2300GV1/30;
Celanex 2360GV1/30;
CAS:24968-12-5化学结构(C12H12O4)n详情供应商
28779-82-0Poly(oxy-1,4-butanediyloxycarbonyl-2,6-naphthalenediylcarbonyl);
Poly(oxytetramethyleneoxycarbonyl-2,6-naphthylenecarbonyl)(8CI);
1,4-Butanediol-2,6-naphthalenedicarbonyl dichloride COPOLYMER, SRU;
1,4-Butanediol-2,6-naphthalenedicarboxylate acid polymer sru;
1,4-Butanediol-2,6-naphthalenedicarboxylic acid COPOLYMER sru;
1,4-Butanediol-2,6-naphthalenedicarboxylic acid polymer sru;
1,4-Butanediol-2,6-naphthalic acid polymer sru;
1,4-Butanediol-dimethyl2,6-naphthalenedicarboxylate COPOLYMER sru;
1,4-Butanediol-dimethyl2,6-naphthalenedicarboxylate polymer sru;
1,4-Butanediol-dimethyl-2,6-naphthalate COPOLYMER, sru;
C 8000;
C 8000(polyester);
PBN;
PBN (polyester);
Poly(2,6-BUTYLene naphthalate-tetramethyleneglycol);
Poly(BUTYLene 2,6-naphthalate);
Poly(BUTYLene2,6-naphthalenedicarboxylate);
Poly(BUTYLene naphthalate);
Poly(tetramethylene2,6-naphthalate);
Poly(tetramethylene 2,6-naphthalate) sru;
Poly(tetramethylene2,6-naphthalenedicarboxylate);
TQB-KT;
TQB-KT 77;
TQB-OT;
Tetramethyleneglycol-2,6-naphthalenedicarboxylic acid polymer sru		CAS:28779-82-0化学结构(C16H14O4)n详情供应商
63648-10-2Poly[oxy-1,4-butanediyloxy(1,12-dioxo-1,12-dodecanediyl)];
1,4-Butanediol-1,12-dodecanedioicacid COPOLYMER, sru;
1,4-Butanediol-1,12-dodecanedioic acid, SRU;
1,4-Butanediol-dodecanedicarboxylicacid COPOLYMER, sru;
1,4-Butanediol-dodecanedioic acid COPOLYMER, sru;
Bis(2,2,2-trifluoroethyl) dodecanedioate-1,4-butanediol COPOLYMER, SRU;
FomrezDA 44-56;
Poly(1,4-BUTYLene dodecanedioate);
Poly(BUTYLene dodecanedioate);
Poly(tetramethylene dodecanedioate)		CAS:63648-10-2化学结构(C16H28O4)n详情供应商
26854-69-3Poly[imino(1,2-dioxo-1,2-ethanediyl)imino-1,8-octanediyl](9CI);
Poly(iminooxalyliminooctamethylene)(8CI);
DiBUTYL oxalate-1,8-octanediamine polymer, SRU;
Diethyloxalate-1,8-octanediamine COPOLYMER, sru;
Nylon 82		CAS:26854-69-3化学结构(C10H18N2O2)n详情供应商
24937-10-8Poly[oxy(1,6-dioxo-1,6-hexanediyl)oxy-1,6-hexanediyl];
Poly(oxyadipoyloxyhexamethylene)(8CI);
A 446;
A 446 (polyester);
AR-U 2610;
Adeka Newace NS 3465;
Adeka NewaceY 6-22;
Adipic acid-1,6-dihydroxyhexane COPOLYMER, SRU;
Adipicacid-1,6-hexanediol COPOLYMER, SRU;
Adipic acid-1,6-hexanediol polymer, SRU;
Adipic acid-hexamethylene glycol COPOLYMER, SRU;
Adipic acid-hexamethyleneglycol polymer, SRU;
Adipic acid-hexanediol COPOLYMER, SRU;
Adipoyldichloride-1,6-hexanediol COPOLYMER, SRU;
Baycoll AD 5027;
Bester 121;
BostikHM 5189AE;
CMA 66;
Desmophen 1695;
Desmophen S 105-30;
Desmophen S 105-55;
DiBUTYL adipate-1,6-hexanediol polymer, SRU;
Dimethyl adipate-1,6-hexanediolCOPOLYMER, sru;
Dimethyl adipate-hexamethylene glycol polymer, SRU;
Diphenyladipate-1,6-hexanediol COPOLYMER, SRU;
Domopol 1520;
Dynacoll 7361;
EA 16T;
Fomrez 102;
Fomrez 66-112;
Fomrez 66-20;
Fomrez 66-28;
Fomrez 66-37;
Fomrez66-56;
HS 2H351A;
HS 2H451A;
Lexorez 1130-30;
Lexorez 1130-30P;
Lexorez1130-55;
Nippollan 136;
Nippollan 164;
Nippollan 4018;
Nippollan 4073;
OD-X2068;
ODX 25		CAS:24937-10-8化学结构(C12H20O4)n详情供应商
24936-97-8Poly[oxy-1,4-butanediyloxy(1,6-dioxo-1,6-hexanediyl)];
Poly(oxytetramethyleneoxyadipoyl)(8CI);
1,4-Butanedicarboxylic acid-tetramethylene glycol COPOLYMER, sru;
1,4-Butanediol-adipic acid COPOLYMER, sru;
1,4-Butanediol-diBUTYL adipateCOPOLYMER, SRU;
1,4-Butanediol-diBUTYL adipate polymer, SRU;
1,4-Butanediol-diethyl adipate COPOLYMER, SRU;
1,4-Butanediol-dimethyl adipateCOPOLYMER, sru;
1,4-Butanediol-divinyl adipate COPOLYMER, SRU;
1,4-Dibromobutane-dipotassium adipate COPOLYMERs, SRU;
A 2010;
Adeka Newace F9-30;
Adipic acid-1,4-butanediol COPOLYMER, SRU;
Adipic acid-1,4-butanediolCOPOLYMER, SRU, magnesium salt;
Adipic acid-1,4-butanediol polymer sru;
Adipic acid-1,4-BUTYLeneglycol COPOLYMER sru;
Adipic acid-1,4-BUTYLene glycol polymer sru;
Adipicacid-butanediol COPOLYMER sru;
Adipic acid-butanediol polymer sru;
Adipicacid-BUTYLene glycol COPOLYMER sru;
Adipic acid-BUTYLene glycol polymer sru;
Adipic acid-tetramethylene glycol COPOLYMER, SRU;
Adipic acid-tetramethyleneglycol polymer, SRU;
Adipic acid-tetramethylene glycol polymers, SRU;
Adipoy		CAS:24936-97-8分子结构(C10H16O4)n详情供应商
25667-63-4Poly[oxy-1,2-ethanediyloxy-1,2-ethanediyloxy(1,10-dioxo-1,10-decanediyl)](9CI);
Poly(oxyethyleneoxyethyleneoxysebacoyl)(8CI);
DiBUTYL sebacate-diethylene glycol COPOLYMER, SRU;
Diethyleneglycol-sebacic acid COPOLYMER, SRU;
UP 5-203		CAS:25667-63-4化学结构(C14H24O5)n详情供应商
28776-64-9Poly[oxy(methyl-1,2-ethanediyl)oxy(1,10-dioxo-1,10-decanediyl)];
Poly(oxypropyleneoxysebacoyl)(8CI);
1,2-Propanediol-sebacic acid COPOLYMER, SRU;
Decanedioic acid-1,2-propanediolCOPOLYMER, SRU;
DiBUTYL sebacate-1,2-propanediol COPOLYMER, SRU;
G 25;
ParaplexG 25;
Poly(propylene sebacate), SRU;
Polycizer P 202;
Reoplex 100;
propyleneglycol-sebacic acid COPOLYMER, SRU		CAS:28776-64-9化学结构(C13H22O4)n详情供应商
24937-05-1Poly[oxy-1,2-ethanediyloxy(1,6-dioxo-1,6-hexanediyl)];
Poly(oxyethyleneoxyadipoyl)(8CI);
A 159;
Adecrom 2454;
Adeka Newace F 15-20;
Adipic acid-ethylene glycol COPOLYMER,SRU;
Adipoyl chloride-ethylene glycol COPOLYMER, sru;
Alfaster T 620;
CMA 24;
Desmophen 2000;
Desmophen 2000MM;
Desmophen 2000MZ;
Desmophen 2100;
Desmophen S101P110;
Desmophen S 101P55;
DiBUTYL adipate-ethylene glycol COPOLYMER, SRU;
DiBUTYL adipate-ethylene glycol polymer, SRU;
Dimethyl adipate-ethylene glycolCOPOLYMER, sru;
Ethylene glycol-1,4-butanedicarboxylic acid COPOLYMER, sru;
Ethylene glycol-adipic acid polymer, SRU;
Ethylene glycol-hexanedioic acidCOPOLYMER, SRU;
Fomrez 22-112;
Fomrez 22-225;
Fomrez 22-56;
JW 24;
MultrathaneR 14;
N 4002;
N 4040;
Nippollan 4002;
Nippollan 4040;
Nippollan 4041;
Nippollan5019;
Nippollan N 4002;
OD-X 2434;
ODX 102;
ODX 286;
P 6;
P 6 (polyester);
P 9;
P 9 (polyester);
PE 1000;
PEA 1000;
PEA 2000;
PEA 3000;
Poles 60/20;
Poly(ethylene adipate);
Poly(ethylene adipate) SRU;
Poly(ethylene glycoladipate);
Polylite OD-X 2340;
Polylite OD-X 2402;
CAS:24937-05-1分子结构(C8H12O4)n详情供应商
25722-32-1Poly[oxycarbonyloxy(2,2,4,4-tetramethyl-1,3-cyclobutanediyl)](9CI);
Poly[oxycarbonyloxy(2,2,4,4-tetramethyl-1,3-cycloBUTYLene)](8CI);
2,2,4,4-Tetramethyl-1,3-cyclobutanediol polycarbonate;
2,2,4,4-Tetramethyl-1,3-cyclobutanediol-diphenyl carbonate COPOLYMER, SRU;
Bakelite C 4;
Dimethyl carbonate-2,2,4,4-tetramethyl-1,3-cyclobutanediolCOPOLYMER, sru;
Diphenyl carbonate-2,2,4,4-tetramethyl-1,3-cyclobutanediol COPOLYMER,SRU;
Poly(2,2,4,4-tetramethyl-1,3-cyclobutanediyl carbonate)		CAS:25722-32-1化学结构(C9H14O3)n详情供应商
25805-40-7Poly(oxycarbonyloxy-1,4-butanediyl);
Poly(oxycarbonyloxytetramethylene)(8CI);
1,3-Dioxepan-2-one homopolymer, sru;
1,4-Butanediol carbonatehomopolymer, SRU;
1,4-Butanediol-carbon dioxide COPOLYMER, sru;
1,4-Butanediol-carbonic acid COPOLYMER, SRU;
1,4-Butanediol-diethyl carbonateCOPOLYMER, SRU;
1,4-Butanediol-dimethyl carbonate COPOLYMER sru;
1,4-Butanediol-diphenyl carbonate COPOLYMER, sru;
1,4-Butanediol-ethylenecarbonate COPOLYMER, sru;
1,4-Butanediol-phosgene polymer, SRU;
1,4-Butanediol-triphosgene COPOLYMER, SRU;
1,4-Dibromobutane-potassiumcarbonate COPOLYMER, SRU;
Poly(BUTYLene carbonate);
Poly(oxyBUTYLeneoxycarbonyl);
Poly(tetramethylene carbonate);
UB-Carb 100		CAS:25805-40-7化学结构(C5H8O3)n详情供应商
28039-87-4Poly[oxy(2,2-dimethyl-1,3-propanediyl)oxy(1,6-dioxo-1,6-hexanediyl)];
Poly[oxy(2,2-dimethyltrimethylene)oxyadipoyl](8CI);
Adeka Newace Y 9-10;
Adeka Newace Y 9-20;
Adeka Newace YS 10;
Adipicacid-2,2-dimethyl-1,3-propanediol COPOLYMER, SRU;
Adipicacid-2,2-dimethyl-1,3-propanediol polymer, SRU;
Adipic acid-neopentyl glycolCOPOLYMER, SRU;
Adipic acid-neopentyl glycol polymer, SRU;
Desmophen S 107-110;
Desmophen S 107-55;
DiBUTYL adipate-neopentyl glycol COPOLYMER, SRU;
Eastman P10;
Fomrez 55-112;
Fomrez 55-225;
Fomrez 55-56;
Fomrez F 20-30;
Kodaflex NP 10;
LAC 769;
Lexorez 1140-90;
Lexorez 1400-60;
Lexorez 1400-90;
Neopentyl glycoladipate, SRU;
OD-X 2044;
P 10;
P 10 (polyester);
P 746;
P 756;
Poly(neopentyladipate);
Poly(neopentyl glycol adipate), SRU;
Polylite OD-X 2044;
Rucoflex S1065-55;
Rucoflex S 107;
Rucoflex S 107-210;
Rucoflex S 107-30;
Rucoflex S107-55;
Sanestor 5620;
U 1720;
XU 2508		CAS:28039-87-4化学结构(C11H18O4)n详情供应商
41601-26-72-Propenoicacid, 2-methyl-, BUTYL ester, polymer with methyl 2-propenoate;
2-Propenoicacid, methyl ester, polymer with BUTYL 2-methyl-2-propenoate (9CI);
BUTYLmethacrylate-methyl acrylate COPOLYMER;
BUTYL methacrylate-methyl acrylatepolymer;
Methyl acrylate-BUTYL methacrylate COPOLYMER;
Plextol D 514;
n-BUTYLmethacrylate-methyl acrylate COPOLYMER		CAS:41601-26-7化学结构C8H14O2详情供应商
热门搜关键词:C8 H15 N O3 SODIUM DIHYDROGENPHOSPHATE 2-三氟甲基吲哚 HYDROTREATED LIGHT DISTILLATE 3H2SO4 absol metacin CH3CHNH2ch2COOH ALCOHOL C6 C7 H12 N O3 C24H19N5O2 ceno Ethyltriglycol BrCH2CH2CH2OH nonic CH3CF2CH2F diphenylphosphite brome ChloroBenz 甲基丙烯酸甲酯 丙烯酸丁酯 丙烯酸 FLUORINATED POLYMER 苯硫基苯 2-异丙基 C15H10N C17H22N2O2 dicumyl 2,3,5,6-四羟基-2-己烯酸-γ-内酯 3-氟尿苷 C14H27N 2,4,4-三甲基戊醇 苄基-3-哌啶酮 CYASORB 4-CB N-苯基哌啶 甲基月桂酰胺 C10H7ClN2 Ethylidenebis C22H35NO DAPT C5H8Cl2O