| CASµÇ¼ºÅ | ÖÐÎÄÃû | Ó¢ÎÄÃû | ·Ö×ӽṹʽ | ·Ö×Óʽ | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-06-6 | ±½°Í±ÈÍ×; 5-ÒÒ»ù-5-±½»ù-1-¼×»ù-2,4,6-(1H,3H,5H)-à×à¤Èýͪ | Phenobarbital; Luminal; 5-Ethyl-5-phenyl-2,4,6-pyrimidinetrione; 5-Ethyl-5-phenylbarbituric acid | ![]() | C12H12N2O3 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-33-9 | ±£Ì©ËÉ; ±½»ù¶¡µªÍª; 4-¶¡»ù-1,2-¶þ±½»ù-3,5-ßÁßòÍé¶þͪ | Phenylbutazone; 4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione; 1,2-Diphenyl-3,5-dioxo-4-n-butylpyrazoline | ![]() | C19H20N2O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-35-1 | ɳÀû¶È°·; ̪ßäßßà¤Íª; N-(2,6-¶þÑõ´ú-3-ßßऻù)-ÁÚ±½¶þ¼×õ£Ñǰ· | Thalidomide; 2-(2,6-Dioxo-3-piperidinyl)-1H-isoindole-1,3(2H)-dione | ![]() | C13H10N2O4 | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-21-8 | 5-·úëåà×à¤; 5-·ú-2,4(1H,3H)-à×शþͪ | 5-Fluorouracil; 5-Fluoro-2,4(1H,3H)-pyrimidinedione; 5-Fluoro-2,4-pyrimidinedione; 5-Fluoropyrimidine-2,4-dione | ![]() | C4H3FN2O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-52-5 | ±û»ùÁòÑõà×à¤; 6-±û»ù-2-ÛÏ»ù-4-ôÇ»ùà×à¤; 6-±û»ù-2-Áò´ú-2,3-¶þÇâ-4(1H)-à×à¤Íª | Propylthiouracil; 6-Propyl-2-thiouracil; 2-Mercapto-6-propylpyrimid-4-one; 4-Hydroxy-2-mercapto-6-propylpyrimidine | ![]() | C7H10N2OS | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-98-9 | Ȳŵͪ´×Ëáõ¥; ´×ËáȲŵͪ | 19-Norethindrone acetate; 17a-Ethynyl-19-nortestosterone 17b-acetate; 17-Hydroxy-19-nor-17a-4-pregnen-20-yn-3-one acetate | ![]() | C22H28O3 | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-21-1 | ´×ËáÆÃÄáËÉÁú; 11b,17a,21-ÈýôÇ»ùÔÐçÞ-1,4-¶þÏ©-3,20-¶þͪ-21-´×Ëáõ¥ | Prednisolone-21-acetate; 11b,17,21-Trihydroxypregna-1,4-diene-3,20-dione 21-acetate | ![]() | C23H30O6 | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-76-6 | ÀûÄÎÔд¼; ÀûÄÎÔÐͪ | Lynestrenol; 19-Nor-17-alpha-pregn-4-en-20-yn-17-l | ![]() | C20H28O | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-78-8 | ÒÒŵͪ | Norethandrolone; 17alpha-Ethyl-17beta-hydroxyestr-4-en-3-one; 17a-Ethyl-17-hydroxy-19-norandrost-4-en-3-one; 17a-Ethyl-17-hydroxy-4-norandrosten-3-one; 17a-Ethyl-19-nortestosterone | ![]() | C20H30O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-86-8 | ·úßßऴ¼; 1-(4-·ú±½»ù)-4-[4-(4-Âȱ½»ù)-4-ôÇ»ù-1-ßßऻù]-1-¶¡Íª | Haloperidol; 4-[4-(4-Chlorophenyl)-4-hydroxy-1-piperidinyl]-1-(4-fluorophenyl)-1-butanone; 4-[4-(4-Chlorophenyl)-4-hydroxypiperidino]-4'-fluorobutyrophenone | ![]() | C21H23ClFNO2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 53-16-7 | ´Æ·Óͪ | Estrone; 1,3,5(10)-Estratrien-3-ol-17-one; 3beta-Hydroxyestra-1,3,5(10)-trien-17-one; 3-Hydroxy-1,3,5(10)-estratrien-17-one; beta-Estrone | ![]() | C18H22O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 53-41-8 | ÐÛͪ | Androsterone; 3alpha-Hydroxy-5alpha-androstan-17-one; cis-Androsterone; Androstan-3a-ol-17-one; 3a-Hydroxy-5a-androstan-17-one | ![]() | C19H30O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 53-42-9 | 3a-ôÇ»ù-5b-ÐÛçÞÍé-17-ͪ | Etiocholanone; 3a-Hydroxy-5b-androstan-17-one | ![]() | C19H30O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 53-43-0 | È¥Çâ±íÐÛͪ; ÍÑÇâ±íÐÛçÞͪ | Dehydroepiandrosterone; DHEA; Prasterone; Androstenolone; Dehydroisoandrosterone; trans-Dehydroandrosterone; Hydroxyandrost-5-en-17-one | ![]() | C19H28O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 54-71-7 | ÑÎËáë¹ûÜ¿Ïã¼î; (+)-ë¹ûÜ¿Ïã¼îÑÎËáÑÎ; (3S,4R)-4,5-¶þÇâ-3-ÒÒ»ù-4-(1-¼×»ù-1H-ßäßò-5-»ù¼×»ù)-2(3H)-ß»à«Íª | (+)-Pilocarpine hydrochloride; (3S,4R)-4,5-Dihydro-3-ethyl-4-(1-methyl-1H-imidazol-5-ylmethyl)-2(3H)-furanone hydrochloride | ![]() | C11H17ClN2O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 56-25-7 | °ßòúËØ; ÁùÇâ-3a,7a-¶þ¼×»ù-4,7-»·ÑõÒì±½²¢ß»à«-1,3-¶þͪ | Cantharidin; Dimethyl-3,6-epoxyperhydrophthalic anhydride; (1R,2S,3R,6S)-1,2-Dimethyl-3,6-epoxycyclohexane-1,2-dicarboxylic anhydride | ![]() | C10H12O4 | ÏêÇé | ¹©Ó¦ÉÌ |
| 56-47-3 | ´×ËáÈ¥ÑõƤÖÊͪ | Deoxycorticosterone acetate; 11-Desoxycorticosterone acetate; 21-Acetoxy-4-pregnene-3,20-dione; 21-Hydroxy-4-pregnene-3,20-dione 21-acetate; 4-Pregnen-21-ol-3,20-dione 21-acetate; Cortexone acetate | ![]() | C23H32O4 | ÏêÇé | ¹©Ó¦ÉÌ |
| 57-30-7 | ±½°Í±ÈÍ×ÄÆ; 5-ÒÒ»ù-5-±½»ù-1-¼×»ù-2,4,6-(1H,3H,5H)-à×à¤Èýͪµ¥ÄÆÑÎ | Phenobarbital sodium; Sodium 5-ethyl-5-phenylbarbiturate; 5-Ethyl-5-phenyl-2,4,6-(1H,3H,5H)pyrimidinetrione monosodium salt; Luminal sodium | ![]() | C12H11N2NaO3 | ÏêÇé | ¹©Ó¦ÉÌ |
| 57-43-2 | ÒìÎì°Í±ÈÍ×; 5-ÒÒ»ù-5-(3-¼×»ù¶¡»ù)°Í±ÈÍ×Ëá; 5-ÒÒ»ù-5-(3-¼×»ù¶¡»ù)-2,4,6-(1H,3H,5H)-à×à¤Èýͪ | Amobarbital; 5-Ethyl-5-(3-methylbutyl)-2,4,6(1H,3H,5H)-pyrimidinetrione; 5-Ethyl-5-isoamylmalonyl urea; 5-Ethyl-5-(3-methylbutyl)barbituric acid | ![]() | C11H18N2O3 | ÏêÇé | ¹©Ó¦ÉÌ |
| 57-71-6 | 2,3-¶¡Íé¶þͪһë¿; ¶þÒÒõ£Ò»ë¿; ë¿ÒÒ»ù¼×ͪ; ¶¡¶þͪµ¥ë¿ | 2,3-Butanedione monoxime; Diacetyl monoxime; BDM | ![]() | C4H7NO2 | ÏêÇé | ¹©Ó¦ÉÌ |