IUPAC:(2S)-2-{[(2S)-1-[(10R,13S,16S,19S,22R)-19-benzyl-13-(carbamoylmethyl)-22-[(4-ethoxyphenyl)methyl]-12,15,18,21,24-pentaoxo-16-(propan-2-yl)-7,8-dithia-11,14,17,20,23-pentaazaspiro[5.19]pentacosane-10-carbonyl]pyrrolidin-2-yl]formamido}-N-[(1S)-4-carbamimidamido-1-carbamoylbutyl]pentanediamide
IUPAC:(2S)-2-{[(2S)-1-[(10R,13S,16S,19S,22R)-19-benzyl-13-(carbamoylmethyl)-22-[(4-ethoxyphenyl)methyl]-12,15,18,21,24-pentaoxo-16-(propan-2-yl)-7,8-dithia-11,14,17,20,23-pentaazaspiro[5.19]pentacosane-10-carbonyl]pyrrolidin-2-yl]formamido}-N-[(1S)-4-carbamimidamido-1-carbamoylbutyl]pentanediamide