IUPAC:(9R,12aS,13S,15S,15aS,16S,18aS)-16-benzyl-13-hydroxy-9,15-dimethyl-14-methylidene-2H,5H,6H,7H,8H,9H,10H,12aH,13H,14H,15H,15aH,16H,17H,18H-oxacyclotetradeca[2,3-d]isoindole-2,5,18-trione
IUPAC:(9R,12aS,13S,15S,15aS,16S,18aS)-16-benzyl-13-hydroxy-9,15-dimethyl-14-methylidene-2H,5H,6H,7H,8H,9H,10H,12aH,13H,14H,15H,15aH,16H,17H,18H-oxacyclotetradeca[2,3-d]isoindole-2,5,18-trione