SMILES: C1[C@H]2C[NH2+][C@@H](CC3=C[C@@H](C(=O)C=C3)C4=C(C=CC1=C4)O)CN2
Description: The molecule is this is the major tautomer at pH 7.3 of compound 13 of pmid:27690412 It derives from a herquline A(1+).