(2,5-dioxopyrrolidin-1-yl) 2-[[2-methyl-2-[[(2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoyl]amino]propanoyl]amino]acetate 、
甲醇 、
3-amino-4-methylhexanoic acid 生成 methyl (3S)-4-methyl-3-[[2-[[2-methyl-2-[[(2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoyl]amino]propanoyl]amino]acetyl]amino]hexanoate