IUPAC: 2-[(5S,11S,14R)-11-(3-carbamimidamidopropyl)-14-ethyl-12-methyl-4,7,10,13,16-pentaoxo-3,6,9,12,15-pentaazabicyclo[15.3.1]henicosa-1(21),17,19-trien-5-yl]acetic acid; methanesulfonic acid
IUPAC: 2-[(5S,11S,14R)-11-(3-carbamimidamidopropyl)-14-ethyl-12-methyl-4,7,10,13,16-pentaoxo-3,6,9,12,15-pentaazabicyclo[15.3.1]henicosa-1(21),17,19-trien-5-yl]acetic acid; methanesulfonic acid
SMILES: CS(O)(=O)=O.CC[C@H]1NC(=O)c2cccc(CNC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CCCNC(N)=N)N(C)C1=O)c2
SMILES: CS(O)(=O)=O.CC[C@H]1NC(=O)c2cccc(CNC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CCCNC(N)=N)N(C)C1=O)c2