145514-43-8 (2R)-2-[(2S,3S,4S,5R,6S)-6-[(1R)-1-[(2S,7S,8R,9S)-9-hydroxy-2-[(5S)-5-[(2R,3S,5R)-5-[(3S,5R,6S)-6-hydroxy-3,5,6-trimethyl-tetrahydropyran-2-yl]-3-(5-methoxy-6-methyl-tetrahydropyran-2-yl)oxy-tetrahydrofuran-2-yl]-5-methyl-tetrahydrofuran-2-yl]-2,8-dimethy 145525-30-0 1H-5a,9-Methanocyclobuta[a]heptalene-2,8-dione,4,5,6,7,9,10,10a,10b-octahydro-3,6,10b,11,11-pentamethyl-,(5aS,6S,9R,10aR,10bR)-