IUPAC:methyl (4aR,6S,6aR,7S,11aS,11bR)-6-(acetyloxy)-4a-hydroxy-4,4,11b-trimethyl-1-oxo-1H,2H,3H,4H,4aH,5H,6H,6aH,7H,11H,11aH,11bH-phenanthro[3,2-b]furan-7-carboxylate
IUPAC:methyl (4aR,6S,6aR,7S,11aS,11bR)-6-(acetyloxy)-4a-hydroxy-4,4,11b-trimethyl-1-oxo-1H,2H,3H,4H,4aH,5H,6H,6aH,7H,11H,11aH,11bH-phenanthro[3,2-b]furan-7-carboxylate