The discovery and optimization of pyrimidinone-containing MCH R1 antagonists. - Hertzog DL; Al-Barazanji KA; Bigham EC; Bishop MJ; Britt CS; Carlton DL; Cooper JP; Daniels AJ; Garrido DM; Goetz AS; Grizzle MK; Guo YC; et al. (Bioorganic & medicinal chemistry letters, 2006)