| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 | 
|---|---|---|---|---|
| —— | dl-3,3-dibromo-4-methylthio-1-(1-methoxycarbonyl-2-methylpropen-1-yl)-azetidin-2-one | 81519-52-0 | C10H13Br2NO3S | 387.092 | 
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 | 
|---|---|---|---|---|
| —— | (5R,6S)-6-[1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3-tert-butylsulfanylmethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester | 81474-37-5 | C26H38N2O6S2Si | 566.815 | 
| —— | (2S,5R,6S)-6-[1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3-[1-tert-butylsulfanyl-meth-(E)-ylidene]-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 4-nitro-benzyl ester | 81474-38-6 | C26H38N2O6S2Si | 566.815 | 
| —— | p-nitrobenzyl (6,1')erythro-5,6-trans-6-(1'-t-butyldimethylsilyloxyethyl)-2-oxo-penam-3-carboxylate | 81474-39-7 | C21H28N2O7SSi | 480.614 |