1-Benzoyl-3,5,7-tri-(3-methyl-2-butenyl)-4-hydroxy-8-dimethyl-bicyclo[3.3.1]-3-nonene-2,9-dione 1-Benzoyl-4-hydroxy-8,8-dimethyl-3,5,7-tris-(3-methyl-but-2-enyl)-bicyclo[3.3.1]non-3-ene-2,9-dione InChI=1/C33H42O4/c1-21(2)14-16-25-20-32(19-18-23(5)6)28(35)26(17-15-22(3)4)29(36)33(30(32)37,31(25,7)8)27(34)24-12-10-9-11-13-24/h9-15,18,25,35H,16-17,19-20H2,1-8H3/t25-,32+,33-/m0/s Nemorosone bicyclo[3.3.1]non-3-ene-2,9-dione, 1-benzoyl-4-hydroxy-8,8-dimethyl-3,5,7-tris(3-methyl-2-butenyl)-, (1R,5R,7S)- rel-(1R,5R,7S)-1-benzoyl-4-hydroxy-8,8-dimethyl-3,5,7-tris(3-methylbut-2-en-1-yl)bicyclo[3.3.1]non-3-ene-2,9-dione