2H-benzocyclohepten-2-one, 3,4,4a,5,8,9-hexahydro-3-hydroxy-1,4,4a,7-tetramethyl-, (3R,4R,4aR)- 3-Epi-perforenone A 3-Hydroxy-1,4,4a,7-tetramethyl-3,4,4a,5,8,9-hexahydro-benzocyclohepten-2-one InChI=1/C15H22O2/c1-9-5-6-12-10(2)13(16)14(17)11(3)15(12,4)8-7-9/h7,11,14,17H,5-6,8H2,1-4H3/t11-,14+,15+/m0/s rel-(3R,4R,4aR)-3-hydroxy-1,4,4a,7-tetramethyl-3,4,4a,5,8,9-hexahydro-2H-benzo[7]annulen-2-one