(4-Nitrophenyl)methyl 4-methyl-2-(phenylmethoxycarbonylamino)pentanoate 、 (2S)-2-[[(2S)-2-amino-6-(octanoylamino)hexanoyl]amino]-2-[(2R,3R,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid 生成 (2S)-2-[[(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-6-(octanoylamino)hexanoyl]amino]-2-[(2R,3R,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid