Get C13 H15 CU N3 O7 S = b30 = (2,2p-((2-((4-(aminosulfonyl)benzoyl)amino)ethyl) imino)diacetato(2-)-kappao)copper Get C17 H23 CU N3 O9 S = b17 = (1-(4-(aminosulfonyl)phenyl)-11-((carboxy-kappao) methyl)-1-oxo-5,8-dioxa-2,11-diazatridecan-13-oato(2- )-kappao~13~)copper Get C20 H21 CU N3 O7 S = b15 = (2,2p-((4-(((2-(4-(aminosulfonyl)phenyl)ethyl)amino) carbonyl)benzyl)imino)diacetato(2-)-kappao)copper Get C21 H22 CU N4 O8 S = b22 = (2,2p-((2-((3-(((2-(4-(aminosulfonyl) phenyl)ethyl)amino)carbonyl)phenyl)amino)-2- oxoethyl)imino)diacetato(2-)-kappao)copper