Himbeline

(+)-Himbeline

(3S)-4α-[(E)-2-[(2S,6R)-6-Methyl-2-piperidinyl]vinyl]-3aβ,4,4aα,5,6,7,8,8aβ,9,9aβ-decahydro-3-methylnaphtho[2,3-c]furan-1(3H)-one

(3S)-3β-Methyl-4α-[(E)-2-[(2S)-6β-methyl-2α-piperidinyl]vinyl]-1,3,3aβ,4,4aα,5,6,7,8,8aβ,9,9aβ-dodecahydronaphtho[2,3-c]furan-1-one