英文名称
(2S)-2-[[(2S)-2-[[(4R,7S,10S,13S,16S)-7-(2-amino-2-oxoethyl)-13-benzyl-20,20-dicyclopentyl-16-[(4-ethoxyphenyl)methyl]-6,9,12,15,18-pentaoxo-10-propan-2-yl-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid