methyl 4-{[({[(2R,5S)-5-{[(2S)-2-(aminomethyl)pyrrolidin-1-yl]carbonyl}pyrrolidin-2-yl]methyl}amino)carbonyl]amino}benzoate
methyl 4-{[({[(2r,5s)-5-{[(2s)-2-(aminomethyl)pyrrolidin-1-yl]carbonyl}pyrrolidin-2-yl]methyl}amino)carbonyl]amino}benzoate