[1-(Tert-butoxycarbonylamino-methyl)-6,7-dimethoxy-isoquinolin-4-yl]-acetic acid 、
2-(2-甲基氨基乙基)吡啶 以to give 78 mg of (6,7-dimethoxy-4-{[methyl-(2-pyridin-2-yl-ethyl)-carbamoyl]-methyl}-isoquinolin-1-ylmethyl)-carbamic acid tert-butyl ester的产率得到(6,7-dimethoxy-4-{[methyl-(2-pyridin-2-yl-ethyl)-carbamoyl]-methyl}-isoquinolin-1-ylmethyl)-carbamic acid tert-butyl ester