N'-[5-[[4-[[5-[acetyl(phenylmethoxy)amino]pentyl]amino]-1,4-dioxobutyl](phenylmethoxy)amino]pentyl]-N-(4-cyanobutyl)-N-(phenylmethoxy)butanediamide

(5-氨基戊基)(苯基甲氧基)氨基甲酸叔丁酯

5,16-bis(benzyloxy)-20-cyano-4,12,15-trioxo-5,11,16-triazaeicosanoic acid

27-[N-(benzyloxy)amino]-6,17-bis(benzyloxy)-7,10,18,21-tetraoxo-6,11,17,22-tetraazaheptacosanenitrile

27-[N-(tert-butoxycarbonyl)-N-(benzyloxy)amino]-6,17-bis(benzyloxy)-7,10,18,21-tetraoxo-6,11,17,22-tetraazaheptacosanenitrile