is conjugate base of chemical entity fusidic acid carboxylic acid anion fusidate (2Z)-2-[(17Z)-16beta-acetoxy-3alpha,11alpha-dihydroxy-4alpha,8alpha,10,14beta-tetramethyl-5alpha,9beta,13alpha-gonan-17-ylidene]-6-methylhept-5-enoate 515.337 515.70130 A steroid acid anion that is the conjugate base of fusidic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. C31H47O6 CHEBI:71321 IECPWNUMDGFDKC-MZJAQBGESA-M InChI=1S/C31H48O6/c1-17(2)9-8-10-20(28(35)36)26-22-15-24(34)27-29(5)13-12-23(33)18(3)21(29)11-14-30(27,6)31(22,7)16-25(26)37-19(4)32/h9,18,21-25,27,33-34H,8,10-16H2,1-7H3,(H,35,36)/p-1/b26-20-/t18-,21-,22-,23+,24+,25-,27-,29-,30-,31-/m0/s1 MetaCyc:CPD0-1606 [H][C@@]12CC[C@@]3(C)[C@@]([H])([C@H](O)C[C@@]4([H])\C([C@H](C[C@]34C)OC(C)=O)=C(/CCC=C(C)C)C([O-])=O)[C@@]1(C)CC[C@@H](O)[C@H]2C chebi_ontology fusidate fusidine ramycin