Synonyms: 7,10-Methano-2H-pyrano(4,3-g)(3)benzoxepin-4,6,8(1H)-trione, 2-(3-furanyl)octahydro-11b-methyl-, (2S-(2alpha,4abeta,6aalpha,7alpha,10alpha,11abeta,11bbeta))-;7,10-Methano-2H-pyrano[4,3-g][3]benzoxepin- 4,6,8(1H)-trione,2-(3-furanyl)octahydro-11bmethyl-,[2S-(2R,4aa,6aR,7R,10R,11aa,11bR)]-;2-(Furan-3-yl)-11b-methyloctahydro-2H-7,10-methanooxepino[4,5-f]isochromene-4,6,8(1H)-trione;