p-nitrobenzyl (1R,5S,6S)-2-diphenylphosphoryloxy-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylate 、
(2S,4S)-2-[1-hydroxy-2-[(3R)-3-(N-methyl-N-4-nitrobenzyloxycarbonylamino)pyrrolidin-1-ylcarbonyl]ethyl]-4-mercapto-1-(4-nitrobenzyloxycarbonyl)pyrrolidine 生成 4-nitrobenzyl (1R,5S,6S)-6-[(1R)-1-hydroxyethyl]-2-[(2S,4S)-2-[1-hydroxy-2-[(3S)-3-(N-methyl-N-4-nitrobenzyloxycarbonylamino)pyrrolidin-1-ylcarbonyl]ethyl]-1-(4-nitrobenzyloxycarbonyl)pyrrolidin-4-ylthio]-1-methyl-1-carbapen-2-em-3-carboxylate