SMILES: C/C=C\\1/CN2[C@H]3C[C@H]1[C@@]([C@@H]2CC4=C3NC5=CC=CC=C45)(C=O)C(=O)OC
Description: The molecule is an alkaloid ester, a methyl ester, an aldehyde and an organic heterotetracyclic compound. It derives from a sarpagine.