乙酸甲酯 、
3-bromo-2-chloro-5-(ethylsulfonyl)pyridine 、
2-(4-fluoro-benzylidene)-3-methyl-succinic acid 1-methyl ester 以[4-(3-bromo-5-ethanesulfonyl-pyridin-2-yloxy)-6-fluoro-3-methyl-naphthalen-2-yl]-acetic acid methyl ester (183 mg, 73.9%) was obtained as a white solid的产率得到[4-(3-bromo-5-ethanesulfonyl-pyridin-2-yloxy)-6-fluoro-3-methyl-naphthalen-2-yl]-acetic acid methyl ester