C=C1CC[C@H]2[C@@H]1[C@@H]1[C@@H]([C@H](C)[C@@H](O)/C=C/C(C)(C)O)CC[C@@]12C (3E,5S,6S)-2-methyl-6-((1S,2R,6S,7R,10S)-7-methyl-3-methylidenetricyclo[5.3.0.0^{2,6}]decan-10-yl)hept-3-ene-2,5-diol