IUPAC:(4S,6R,6aS,9R,10S,10aS)-6,10-bis(acetyloxy)-3-(ethoxymethyl)-6a,9-dihydroxy-6,9-dimethyl-2-oxo-2H,4H,5H,6H,6aH,7H,8H,9H,10H-naphtho[4a,4-b]furan-4-yl 2-methylprop-2-enoate
IUPAC:(4S,6R,6aS,9R,10S,10aS)-6,10-bis(acetyloxy)-3-(ethoxymethyl)-6a,9-dihydroxy-6,9-dimethyl-2-oxo-2H,4H,5H,6H,6aH,7H,8H,9H,10H-naphtho[4a,4-b]furan-4-yl 2-methylprop-2-enoate