1-hydroxy-1-(pyridin-4-yl)-1,2-dihydro-3H-pyrrolo[3,4-c]pyridin-3-one 、
溴乙酸乙酯 以
四氢呋喃 为溶剂,
生成 1-[2-(ethyloxy)-2-oxoethyl]-4-[1-hydroxy-3-oxo-1,2-dihydro-3H-pyrrolo[3,4-c]pyridin-1-yl]pyridin-1-ium bromide 、 5-[2-(ethyloxy)-2-oxoethyl]-1-[1-(2-(ethyloxy)-2-oxoethyl)pyridinium-4-yl]-1-hydroxy-3-oxo-2,3-dihydro-1H-pyrrolo[3,4-c]pyridin-5-ium dibromide