(E)-2-[3-(2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl-6,11-dihydrodibenzo[b,e]oxepin-11-ylidene]propiononitrile 、
(E)-2-(3-hydroxymethyl-6,11-dihydrodibenzo[b,e]oxepin-11-ylidene)propiononitrile 以obtained in Reference Example 30 and 2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridine (250 mg, 1.43 mmol)的产率得到咪唑并二甲基吡啶