N-(1-benzylpiperidin-4-yl)-4-chloro-N-(1,3-dioxolan-2-ylmethyl)-5-methyl-1H-pyrrole-2-carboxamide 、
tert-butyl (3S,4R)-4-[(1,3-dioxolan-2-ylmethyl)amino]-3-fluoropiperidine-1-carboxylate 生成 tert-butyl (3S,4R)-4-[[(4-chloro-5-methyl-1H-pyrrol-2-yl)carbonyl](1,3-dioxolan-2-ylmethyl)amino]-3-fluoropiperidine-1-carboxyIate