SB-277011 is a potent and delective dopamine D3 receptor antagonist (pKi values are 8.0, 6.0, 5.0 and<5.2 for D3, D2, 5-HT1D and 5-HT1B respectively); brain penetrant.IC50 value: 8.0 (pKi)Target: D3 receptor

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