IUPAC:(3R,4aS,10aR,11bS)-3-hydroxy-4,4,8,11b-tetramethyl-1H,2H,3H,4H,4aH,5H,6H,9H,10aH,11H,11aH,11bH-phenanthro[3,2-b]furan-9-one
IUPAC:(3R,4aS,10aR,11bS)-3-hydroxy-4,4,8,11b-tetramethyl-1H,2H,3H,4H,4aH,5H,6H,9H,10aH,11H,11aH,11bH-phenanthro[3,2-b]furan-9-one