BMS-819881 is a melaninconcentratinghormonereceptor 1 (MCHR1) antagonist, which binds rat MCHR1 with a Ki of 7 nM and it also is selective and potent for CYP3A4 activity with an EC50 of 13 μM.
SNAP-7941 is a selective antagonist of the melaninconcentratinghormonereceptor MCH1 with promising anxiolytic, antidepressant and anorectic effects in initial animal studies.