(RS)-(3-amino-2-oxo-2H-pyridin-1-yl)-ethoxy-acetic acid ethyl ester 、
3-甲氧基苯硼酸 以to give (RS)-ethoxy-[3-(3-methoxy-phenylamino)-2-oxo-2H-pyridin-1-yl]-acetic acid ethyl ester的产率得到(RS)-ethoxy-[3-(3-methoxy-phenylamino)-2-oxo-2H-pyridin-1-yl]-acetic acid ethyl ester