exo-THC methyl ether(–)-Δ7-Tetrahydrocannabinol methyl ether | Δ9,11-Tetrahydrocannabinol methyl ether | Δ11-Tetrahydrocannabinol methyl ether | (–)-trans-Δ9,11-Tetrahydrocannabinol methyl ether | exo-Tetrahydrocannabinol methyl ether | (–)-Δ7-THC methyl ether | (–)-trans-Δ9,11-THC methyl ether