tryptamine derivative
any of a group of naturally occurring or synthetic psychoactive substances, derived from tryptamine, that are chemically related to serotonin (5-hydroxytryptamine). They include agents with hallucinogenic effects similar to those of LSD, such as DMT (dimethyltryptamine), DET (diethyltryptamine), bufotenin, and psilocin. Tryptamine derivatives may also be classified as substituted indolealkylamines.