4-HO-DiPT

Also known as 4-INDOLOL, 3-[2-(DIISOPROPYLAMINO)ETHYL], 4-HYDROXY-N,N-DIISOPROPYLTRYPTAMINE, 3-[2-(DIISOPROPYLAMINO)ETHYL]-4-INDOLOL

The author calls this perhaps unmatched among orally active psychedelics for its speed, intensity, brevity, and steep sensitivity to dose. Effects appear within about fifteen minutes and largely resolve within a couple of hours, can approach a profound peak experience near the top of its narrow range, and are accompanied by muscle tremor and a vague bodily malaise.