Wikipedia
THC-O-acetate
THC acetate ester (THC-O-acetate; THC acetate) is the acetate ester of THC. It acts as a metabolic prodrug for THC itself, and chemically works the same way that heroin does as a metabolic prodrug for morphine. It has been reported to be approximately two times as potent as THC to approximately three times as potent as THC with a unique psychedelic high described as follows.