1P-LSD (1-propionyl-lysergic acid diethylamide) is a novel psychedelic of the lysergamide class. 1P-LSD is from the same family as ALD-52 and LSD. 1P-LSD is subjectively similar to LSD and is reported to have near-identical results. Chemically the only difference between the two is that 1P-LSD has...