(+)-Himbacine

(3aR)-4-[trans-2-((2R)-1,6t-dimethyl-piperidin-2r-yl)-vinyl]-3c-methyl-(3ar,4at,8ac,9ac)-decahydro-naphtho[2,3-c]furan-1-one;
(3S,3aR,4R,4aS,8aR,9aS)-4-[(1E)-2-[(2R,6S)-1,6-dimethyl-2-piperdinyl]ethenyl]decahydro-3-methyl-naphtho[2,3-c]furan-1(3H)-one;
(3S,3aR,4R,4aS,8aR,9aS)-4-((E)-2-((2R,6S)-1,6-dimethylpiperidin-2-yl)vinyl)-3,9a-dimethyldecahydronaphtho[2,3-c]furan-1(3H)-one;
Himbacine;