IUPAC:(4aR,5S,6R,8aR,9aS)-5-(acetyloxy)-9a-hydroxy-3,5,8a-trimethyl-2-oxo-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-6-yl 2,3-dihydroxy-2-methylbutanoate
IUPAC:(4aR,5S,6R,8aR,9aS)-5-(acetyloxy)-9a-hydroxy-3,5,8a-trimethyl-2-oxo-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-6-yl 2,3-dihydroxy-2-methylbutanoate