benzyl 3-methyl-2-[[2-(phenylmethoxycarbonylamino)-5-[phenylmethoxycarbonyl-[(E)-N'-phenylmethoxycarbonylcarbamimidoyl]amino]pentanoyl]amino]pentanoate 、
溶剂黄146 生成
Acetic acid;2-[[2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-methylpentanoic acid