N-ethyl-N-isopropyl-1,4'-bipiperidine-3-carboxamide dihydrochloride 、 、
2-[(tert-butoxycarbonyl)amino]-6-methylthieno[2,3-b]pyridine-3-carboxylic acid 、 以the title compound (192 mg, yield 36%) was obtained as an oil的产率得到tert-butyl {3-[(3-{[ethyl(isopropyl)amino]carbonyl}-1,4'-bipiperidin-1'-yl)carbonyl]-6-methylthieno[2,3-b]pyridin-2-yl)carbamate