IUPAC:(3R,4aR,5S,6S,6aS,10S,10aR,10bS)-3-ethenyl-5,6,10,10b-tetrahydroxy-3,4a,7,7,10a-pentamethyl-dodecahydro-1H-naphtho[2,1-b]pyran-1-one
IUPAC:(3R,4aR,5S,6S,6aS,10S,10aR,10bS)-3-ethenyl-5,6,10,10b-tetrahydroxy-3,4a,7,7,10a-pentamethyl-dodecahydro-1H-naphtho[2,1-b]pyran-1-one