1,2-Didehydro-3-oxo-THCO (1,2-Didehydro-3-oxo-Δ8-tetrahydrocannabioctyl) is a semi-synthetic cannabinoid first synthesised by Raj K Razdan et al. in the 1970s, with potent cannabinoid effects.

See also 3'-Hydroxy-THC AM-905 Cannabicyclohexanol JWH-138 Parahexyl Tetrahydrocannabihexol THCP

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