烟酸乙酯 、 2-氟苯基乙腈 以The intermediates 2-(2-fluoro-phenyl)-1-pyridin-3-yl-ethanone and 2-(2-fluoro-phenyl)-1-pyridin-3-yl-ethylamine were isolated的产率得到2-(2-fluoro-phenyl)-1-pyridin-3-yl-ethanone
Compounds of the formula
or a pharmaceutically acceptable salt thereof or a tautomer thereof, wherein A and B are as described herein, are useful for treating conditions afflicting mammals.