ethyl (E,4S)-7-amino-4-[[(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-7-oxohept-2-enoate 、
2-甲基-3-羟基苯甲酸 生成 ethyl (E,4S)-7-amino-4-[[(2S)-2-[[(2S)-2-[(3-hydroxy-2-methylbenzoyl)amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-7-oxohept-2-enoate