5-amino-2-(4-benzhydryl-piperidin-1-yl)-benzonitrile 、
2-乙基丁酰氯 以N-[4-(4-Benzhydryl-piperidin-1-yl)-3-cyano-phenyl]-2-ethyl-butyramide (206 mg, 71% yield) was obtained as a white powder的产率得到N-[4-(4-benzhydryl-piperidin-1-yl)-3-cyano-phenyl]-2-ethyl-butyramide