| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 20201-26-7 | 4-溴苯基乙醛酸乙酯 | Ethyl 4-bromobenzoylformate; Ethyl 2-(4-bromophenyl)-2-oxoacetate; Ethyl (4-bromophenyl)glyoxylate; Ethyl p-bromophenylglyoxylate |  | C10H9BrO3 | 详情 | 供应商 |
| 20201-24-5 | 3-甲基-2-氧代丁酰乙酯 | ethyl 3-methyl-2-oxobutyrate; Butyricacid, 3-methyl-2-oxo-, ethyl ester (6CI,7CI,8CI); 3-Methyl-2-oxobutanoic acidethyl ester; Ethyl 2-oxo-3-methylbutanoate; Ethyl 2-oxo-3-methylbutyrate; Ethyl3-methyl-2-oxobutanoate; Ethyl 3-methyl-2-oxobutyrate; Ethylisopropylglyoxylate; Ethyl a-ketoisovalerate |  | C7H12O3 | 详情 | 供应商 |
| 20201-39-2 | Butanoic acid,2-bromo-3,3-dimethyl-, ethyl ester; Butyricacid, 2-bromo-3,3-dimethyl-, ethyl ester (8CI); NSC 21373 |  | C8H15BrO2 | 详情 | 供应商 | |
| 20201-03-0 | Benzenesulfonylchloride, 2-chloro-4-nitro-; 2-Chloro-4-nitrobenzenesulfonylchloride; NSC 140589 |  | C6H3Cl2NO4S | 详情 | 供应商 |
