英文别名
3-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-7-oxo-4-oxa-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester;(4-nitrophenyl)methyl 3-[2-[tert-butyl(dimethyl)silyl]oxyethyl]-7-oxo-4-oxa-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate