PARGY-LAD is an analogue of

LSD Lysergic acid diethylamide (LSD), also known colloquially as acid, is a potent psychedelic drug. Effects typically include intensified thoughts, emotions, and sensory perception. At sufficiently high dosages LSD manifests primarily mental, vi ...

. It is described by Alexander Shulgin in the book

TiHKAL ''TIHKAL: The Continuation'' is a 1997 book written by Alexander Shulgin and Ann Shulgin about a family of psychoactive drugs known as tryptamines. A sequel to '' PIHKAL: A Chemical Love Story'', ''TIHKAL'' is an acronym that stands for "Trypt ...

. PARGY-LAD is a hallucinogenic drug similar to LSD, but is considerably less potent than LSD with a dose of 160 micrograms producing only mild effects, and 500 micrograms required for full activity.

References

Psychedelic drugs Lysergamides Propargyl compounds {{hallucinogen-stub