p-nitrobenzyl (1R,5S,6S)-2-diphenylphosphoryloxy-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylate 、
(2 S ,4 S)-4-mercapto-1-methyl-2-[4-(4-nitrobenzyloxycarbonylamidino)homopiperazin-1-ylcarbonyl]pyrrolidine 生成 (1R,5S,6S)-2-[(2S,4S)-2-(4-Amidinohomopiperazin-1-ylcarbonyl)-1-methylpyrrolidin-4-ylthio]-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylic acid