11-Hydroxy-delta(sup 9)-tetrahydrocannabinol 6,6-Dimethyl-1-hydroxy-3-pentyl-6a,7,8,10a-tetrahydro-6H-dibenzo(b,d)pyran-9-methanol 6H-Dibenzo(b,d)pyran-9-methanol, 6a,7,8,10a-tetrahydro-6,6-dimethyl-1-hydroxy-3-pentyl- HP6900000