、
1-bromo-4-chloro-2-fluoro-5-(2-methoxy-4-methylphenoxy)benzene 、
草酸二乙酯 以whereby ethyl 2-[4-chloro-2-fluoro-5-(2-methoxy-4-methylphenoxy)phenyl]-2-oxoacetate was obtained with a yield of 65%的产率得到ethyl 2-[4-chloro-2-fluoro-5-(2-methoxy-4-methylphenoxy)phenyl]-2-oxoacetate