SMILES: C[C@@]12[C@H](C=C[C@@]3([C@@H]1[C@@H]([C@]45[C@H]3CC[C@](C4)(C(=O)C5)O)C(=O)O)OC2=O)O
Description: The molecule is a gibberellin norketone in which the =O of the keto function in gibberellin A3 is replaced by a =CH2 methylidene group. It derives from a gibberellin A3.