Figure 1

Chemical structures of the MCHR1 antagonists. Chemical Structures of (+)-SNAP-7941 (a), [11C]SNAP-7941 (b) and [18F]FE@SNAP (c). The red colored atom indicates the position of the radioisotope introduced by radiolabeling.
Chemical structures of the MCHR1 antagonists. Chemical Structures of (+)-SNAP-7941 (a), [11C]SNAP-7941 (b) and [18F]FE@SNAP (c). The red colored atom indicates the position of the radioisotope introduced by radiolabeling.