SMILES: C[C@@H]1CC[C@@H]2[C@]13CC(C[C@H]3C=C2C=O)(C)C
Description: The molecule is an enal that is pentalen-13-ol in which the primary hydroxy group hax been oxidised to the corresponding aldehyde. It is an enal and a sesquiterpenoid. It derives from a pentalenene.