SMILES: C[C@H]([C@]12CC(=C3[C@@]4([C@H]1[NH+](CC4)CC=C2)C5=CC=CC=C5N3)C(=O)OC)OC(=O)C
Description: The molecule is an ammonium ion resulting from the protonation of the tertiary amino group of (-)-(R)-19-O-acetyltabersonine. The major species at pH 7.3. It is an indole alkaloid cation and an ammonium ion derivative.