(4-nitrophenyl)methyl 3-[(diphenoxyphosphinyl)oxy]-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

美罗配南侧链

柠檬酸一水合物

p-nitrobenzyl (4R,5S,6S)-3-<(3S,5S)-5-dimethylaminocarbonyl-1-(p-nitrobenzyloxycarbonyl)pyrrolidin-3-ylthio>-4-methyl-7-oxo-6-<(1R)-1-trimethylsilyloxoethyl>-1-azabicyclo<3.2.0>hept-2-en-2-carboxylate

4-Nitrobenzyl (2S,4S)-4-(acetylthio)-2-[(dimethylamino)carbonyl]pyrrolidine-1-carboxylate