LBB-66
LBB-66, also known as lysergic acid dibutylamide or as N,N-dibutyllysergamide, is a serotonin receptor modulator of the lysergamide family related to lysergic acid diethylamide (LSD; LSD-25). It is the derivative of LSD in which the N,N-diethyl groups have been replaced with N,N-dibutyl groups.