2-(2-ethyl-5-methyl-7-trifluoromethyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl-10,11-dihydro-5H-dibenzo[b,f]azepine 、
2-ethyl-5-methyl-7-trifluoromethyl-3H-imidazo[4,5-b]pyridine 以obtained in Reference Example 3, instead of 2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridine的产率得到咪唑并二甲基吡啶