(4Z,8S,9R,12R,15Z)-5,15-bis(2-aminothiazol-4-yl)-2,9,18-trimethyl-6,11,14-trioxo-12-(sulfocarbamoyl)-3,17-dioxa-4,7,10,13,16-pentaazanonadeca-4,15-diene-2,8,18-tricarboxylic acid
(4Z,8S,9R,12R,15Z)-5,15-bis(2-aminothiazol-4-yl)-2,9,18-trimethyl-6,11,14-trioxo-12-(sulfocarbamoyl)-3,17-dioxa-4,7,10,13,16-pentaazanonadeca-4,15-diene-2,8,18-tricarboxylic acid