1H-cyclohept[5,6]indeno[1,7-bc]furan-1,5,7-trione, 2a,3,4,4a,6,8,9,10,10b,10c-decahydro-4-hydroxy-4-methyl-9-(1-methylethenyl)-, (2aR,4S,4aR,9S,10bR,10cR)- InChI=1/C19H22O5/c1-8(2)9-4-10(20)6-12-11(5-9)14-15-13(24-18(14)22)7-19(3,23)16(15)17(12)21/h9,13-16,23H,1,4-7H2,2-3H3/t9-,13-,14+,15+,16+,19+/m1/s Scabrolide A rel-(2aR,4S,4aR,9S,10bR,10cR)-4-hydroxy-9-isopropenyl-4-methyl-2a,3,4,4a,6,8,9,10,10b,10c-decahydro-1H-cyclohepta[5,6]indeno[1,7-bc]furan-1,5,7-trione