(-)-Isorotundene 1,5-Dimethyl-9-methylene-tricyclo[6.2.2.0^(2,6)]dodecane 4,7-ethanoazulene, decahydro-1,4-dimethyl-6-methylene-, (1R,3aS,4R,7R,8aR)- InChI=1/C15H24/c1-10-4-5-14-13(10)8-12-6-7-15(14,3)9-11(12)2/h10,12-14H,2,4-9H2,1,3H3/t10-,12-,13-,14+,15-/m1/s rel-(1R,3aS,4R,7R,8aR)-1,4-dimethyl-6-methylenedecahydro-4,7-ethanoazulene