Nabilone: C~24~H~36~O~3~. Mw: 372.54. (1) 9H-Dibenzo[b,d]pyran-9-one, 3-(1,1-dimethylheptyl)-6,6a,7,8,10,10a-hexahydro-1-hydroxy-6,6-dimethyl-, trans-, (±)-; (2)(±)-3-(1,1-Dimethylheptyl-6,6aβ,7,8,10,10aα-hexahydro-1-hydroxy-6,6-dimethyl-9H-dibenzo[b,d]pyran-9-one. CAS-51022-71-0 (1976).