ethyl (E,4S)-7-amino-4-[[(2S)-4-methyl-2-[[(3S)-1,2,3,4-tetrahydroisoquinoline-3-carbonyl]amino]pentanoyl]amino]-7-oxohept-2-enoate 、
2-甲基-3-羟基苯甲酸 生成 ethyl (E,4S)-7-amino-4-[[(2S)-2-[[(3S)-2-(3-hydroxy-2-methylbenzoyl)-3,4-dihydro-1H-isoquinoline-3-carbonyl]amino]-4-methylpentanoyl]amino]-7-oxohept-2-enoate