SMILES: CC[C@]1(C[C@@H](C2=C([C@H]1C(=O)OC)C(=C3C(=C2O)C(=O)C4=C(C3=O)C=CC=C4OC)O)O[C@H]5C[C@@H]([C@@H]([C@@H](O5)C)O)[NH3+])O
Description: The molecule is an organic cation that is the conjugate acid of 4-O-methylrhodomycin D, obtained by protonation of the amino group; major species at pH 7.3. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a 4-O-methylrhodomycin D.