1-(tert-butoxycarbonylamino-methyl)-6,8-dimethoxy-isoquinoline-4-carboxylic acid 、
2-甲氧基乙胺 以to give 92 mg of [6,8-dimethoxy-4-(2-methoxy-ethylcarbamoyl)-isoquinolin-1-ylmethyl]carbamic acid tert-butyl ester的产率得到[6,8-dimethoxy-4-(2-methoxy-ethylcarbamoyl)-isoquinolin-1-ylmethyl]carbamic acid tert-butyl ester