139975-54-5 2H,4bH-Cyclobuta[5,6]benz[1,2-e]oxireno[4',4'a]-1-benzopyrano[5',6':6,7]indeno[1,2-b]indole-3,4b-diol,3,3a,5,6,6a,7,7d,8,9,9a,10,11,14,14b,14c,15,16,16a-octadecahydro-8-(1-hydroxy-1-methylethyl)-14b,14c-dimethyl-10-methylene-2-(1-methylethenyl)-,[2R-(2a,3 139975-52-3 4bH-1-Benzopyrano[5',6':6,7]indeno[1,2-b]indole-3,4b-diol,10-(1,1-dimethyl-2-propenyl)-2,3,5,6,6a,7,12,12b,12c,13,14,14a-dodecahydro-12b,12c-dimethyl-2-(1-methylethenyl)-,[2R-(2a,3a,4bb,6aa,12bb,12ca,14ab)]-