erythromycin D erythromycin D(1+) C36H66NO12 CLQUUOKNEOQBSW-KEGKUKQHSA-O erythromycin D An erythromycin cation resulting from the protonation of the tertiary amino group of erythromycin D; the major species at pH 7.3. InChI=1S/C36H65NO12/c1-13-25-19(4)28(39)20(5)27(38)17(2)15-36(10,44)32(49-34-29(40)24(37(11)12)14-18(3)45-34)21(6)30(22(7)33(42)47-25)48-26-16-35(9,43)31(41)23(8)46-26/h17-26,28-32,34,39-41,43-44H,13-16H2,1-12H3/p+1/t17-,18-,19+,20+,21+,22-,23+,24+,25-,26+,28+,29-,30+,31+,32-,34+,35-,36-/m1/s1 704.45795 +1 erythromycin D(+1) 704.90870 chebi_ontology CHEBI:63677 CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(O)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@@H]([C@H]2O)[NH+](C)C)[C@](C)(O)C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@H]1C erythromycin cation