N-(4-nitrobenzyloxycarbonyl)formamidine 、 (2S,4S)-4-(4-methoxybenzylthio)-1-(4-nitrobenzyloxycarbonyl)-2-[N-methyl-N-[(3S)-pyrrolidin-3-yl]carbamoyl]pyrrolidine hydrochloride 生成
(2S,4S)-4-Mercapto-2-{N-methyl-N-[(3S)-1-(N-4-nitrobenzyloxycarbonylformimidoyl)pyrrolidin-3-yl]carbamoyl}-1-(4-nitrobenzyloxycarbonyl)pyrrolidine