Chemical Formula: C45H59N7O8

3-phenyl-2-({[2,5,11,14-tetrahydroxy-7-methyl-8-oxo-3,9-bis(2-phenylethyl)-12-(sec-butyl)-1,4,7,10,13-pentaazacyclononadeca-1,4,10,13-tetraen-15-yl]-c-hydroxycarbonimidoyl}amino)propanoic acid

(2s)-2-({[(3s,9s,12s,15r)-12-[(2s)-butan-2-yl]-2,5,11,14-tetrahydroxy-7-methyl-8-oxo-3,9-bis(2-phenylethyl)-1,4,7,10,13-pentaazacyclononadeca-1,4,10,13-tetraen-15-yl]-c-hydroxycarbonimidoyl}amino)-3-phenylpropanoic acid