SMILES: CC[C@@]12C=CC[NH+]3[C@@H]1[C@]4(CC3)[C@H]([C@]([C@@H]2O)(C(=O)OC)O)N(C5=C4C=CC(=C5)O)C
Description: The molecule is the conjugate acid of 11-O-demethyl-17-O-deacetylvindoline arising from protonation of the tertiary amino group; major species at pH 7.3. It is a conjugate acid of an 11-O-demethyl-17-O-deacetylvindoline.