1-(tert-butoxycarbonylamino-methyl)-6,8-dimethoxy-isoquinoline-4-carboxylic acid 、
N-甲基苄胺 以to give 100 mg of [4-(benzyl-methyl-carbamoyl)-6,8-dimethoxy-isoquinolin-1-ylmethyl]-carbamic acid tert-butyl ester的产率得到[4-(benzyl-methyl-carbamoyl)-6,8-dimethoxy-isoquinolin-1-ylmethyl]-carbamic acid tert-butyl ester