(1R,2S,3aR,6R,7S,7aR)-1-acetyl-6-(acetyloxy)-7-isopropyl-4-methyleneoctahydro-1H-inden-2-yl rel-(2Z)-2-methylbut-2-enoate 2-Methyl-but-2-enoic acid 6-acetoxy-1-acetyl-7-isopropyl-4-methylene-octahydro-inden-2-yl ester 2-butenoic acid, 2-methyl-, (1R,2S,3aR,6R,7S,7aR)-1-acetyl-6-(acetyloxy)octahydro-4-methylene-7-(1-methylethyl)-1H-inden-2-yl ester, (2Z)- 3-Angeloyloxy-8-acetoxy-10(14)-oplopen-4-one InChI=1/C22H32O5/c1-8-12(4)22(25)27-18-10-16-13(5)9-17(26-15(7)24)19(11(2)3)21(16)20(18)14(6)23/h8,11,16-21H,5,9-10H2,1-4,6-7H3/b12-8-/t16-,17+,18-,19+,20-,21+/m0/s