SMILES: C/C=C\\1/C[NH+]2CC[C@@H]1[C@](C3=C(CC2)C4=CC=CC=C4N3)(CO)C(=O)OC
Description: The molecule is an ammonium ion resulting from the protonation of the tertiary amino group of 15alpha-stemmadenine. The major species at pH 7.3. It is a conjugate acid of a 15alpha-stemmadenine.