5-(5-ethyl-2-methyl-6-oxo-1,6-dihydropyridin-3-yl)thiophene-2-sulfonyl chloride 、
1-(4-chloro-benzyl)-piperidin-4-ylamine 以to give the title compound as a yellow solid (55% yield)的产率得到5-(5-ethyl-2-methyl-6-oxo-1,6-dihydropyridin-3-yl)thiophene-2-sulfonic acid [1-(4-chlorobenzyl)piperidin-4-yl]amide hydrochloride