a long-retained cannabinoid metabolite has been detected in rat tissue after intravenous administration of delta 9-tetrahydrocannabinol ( thc ) and has been identified as a fatty acid conjugate of psychoactive 11-hydroxy-delta 9-tetrahydrocannabinol ( 11-oh-delta 9-thc ) and palmitic acid .
C0006864
cannabinoid
C0039663
delta 9-thc