243975-37-3

(2R,5S,8S,11S,15S)-8-benzyl-2,7-dimethyl-5-{3-[N''-(methylcarbamoyl)carbamimidamido]propyl}-3,6,9,13,17-pentaoxo-1,4,7,10,14-pentaazacycloheptadecane-11,15-dicarboxylic acid