(5R*,8S*,9S*,10R*)-Cleroda-3,13E-dien-15-oic acid 2-pentenoic acid, 3-methyl-5-[(1S,2S,4aR,8aR)-1,2,3,4,4a,7,8,8a-octahydro-1,2,4a,5-tetramethyl-1-naphthalenyl]-, (2E)- 25436-90-2 3-Methyl-5-(1,2,4a,5-tetramethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl)-pent-2-enoic acid InChI=1/C20H32O2/c1-14(13-18(21)22)9-11-19(4)16(3)10-12-20(5)15(2)7-6-8-17(19)20/h7,13,16-17H,6,8-12H2,1-5H3,(H,21,22)/b14-13+/t16-,17+,19-,20-/m0/s rel-(2E)-3-methyl-5-[(1R,2R,4aS,8aS)-1,2,4a,5-tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl]pent-2-enoic acid