IUPAC: (1R,4R,6R,10S)-4,12,12-trimethyl-9-methylidene-5-oxatricyclo[8.2.0.0^{4,6}]dodecane

SMILES: C[C@@]12CC[C@@H]3[C@H](CC3(C)C)C(=C)CC[C@H]1O2