EiPLAEiPLA, also known as N-ethyl-N-isopropyllysergamide or as lysergic acid ethylisopropylamide, is a psychedelic drug of the lysergamide family related to lysergic [acid diethylamide]. It is an isomer of ETH-LAD.PharmacologyPharmacodynamicsIn drug discrimination tests in rodents, EiPLA was found to have approximately half the potency of LSD.ChemistryAnaloguesAnalogues of EiPLA include MiPLA, LAMPA, EPLA, EcPLA, and ETFELA, among others.HistoryEiPLA was first described in the scientific literature by David E. Nichols and colleagues by at least 1994. It appears to have emerged as a novel designer drug by 2019.