First reported (online early view): 6 Jun 2016 in: S.D. Brandt, P.V. Kavanagh, F. Westphal, S.P. Elliott, J. Wallach, T. Colestock, T.E. Burrow, S.J. Chapman, A. Stratford, D.E. Nichols, A.L. Halberstadt. Return of the lysergamides. Part II: Analytical and behavioural characterization of N6-allyl-6-norlysergic acid diethylamide (AL-LAD) and (2′S,4′S)-lysergic acid 2,4-dimethylazetidide (LSZ)....