Lysergic acid propylamide

Lysergic acid propylamide (LAP), also known as N-propyllysergamide (NP-LA), is a serotonin receptor modulator of the lysergamide family related to the psychedelic drug lysergic acid diethylamide (LSD). It is the analogue of LSD in which the N,N-diethyl groups have been replaced with an N-propyl group and is also the N-propyl derivative of ergine (lysergic acid amide; LSA).