7-Carboxymethyl-8-hydroxy-3-isopropyl-5a,8-dimethyl-2,3,4,5,5a,6,7,8,10a,10b-decahydro-1H-cyclohepta[e]indene-3a-carboxylic acid InChI=1/C22H34O5/c1-13(2)15-6-7-17-16-8-9-21(5,26)18(27-14(3)23)12-20(16,4)10-11-22(15,17)19(24)25/h8-9,13,15-18,26H,6-7,10-12H2,1-5H3,(H,24,25)/t15-,16+,17+,18-,20+,21+,22+/m1/s Mulin-11-ene-13-alpha-hydroxy-14-alpha-acetoxy-20-oic acid cyclohept[e]indene-3a(1H)-carboxylic acid, 7-(acetyloxy)-2,3,4,5,5a,6,7,8,10a,10b-decahydro-8-hydroxy-5a,8-dimethyl-3-(1-methylethyl)-, (3R,3aS,5aS,7R,8S,10aS,10bS)- rel-(3R,3aS,5aS,7R,8S,10aS,10bS)-7-(acetyloxy)-8-hydroxy-3-isopropyl-5a,8-dimethyl-2,3,4,5,5a,6,7,8,10a,10b-decahydrocyclohepta[e]indene-3a(1H)-carboxylic acid