Synonyms: 9H-Dibenzo[b,d]pyran-9-one,6,6a,7,8,10,10a-hexahydro-1-hydroxy-6,6-dimethyl-3-pentyl-, trans- (9CI);9H-Dibenzo[b,d]pyran-9-one,6,6a,7,8,10,10a-hexahydro-1-hydroxy-6,6-dimethyl-3-pentyl-, trans-(?à)-; 9H-Dibenzo[b,d]pyran-9-one,6,6aa,7,8,10,10ab-hexahydro-1-hydroxy-6,6-dimethyl-3-pentyl-,(?à)- (8CI); (?à)-11-Nor-9-ketohexahydrocannabinol