Synonyms : 9-ene-Tetrahydrocannabinol, Marinol, Solvay Brand of Tetrahydrocannabinol, Tetrahydrocannabinol, (6a-trans)-Isomer, Tetrahydrocannabinol, (6aR-cis)-Isomer, Tetrahydrocannabinol, (6aS-cis)-Isomer, Tetrahydrocannabinol, Trans-(+-)-Isomer, delta(1)-THC