4-Chlorophenylmagnesium bromide solution;Bromo(p-chlorophenyl)magnesium;4-Chlorophenylmagnesium bromide, 1.0m so lution in diethyl ether;4-Chlorophenylmagnesium bromide 1.0 m in diethyl ether;4-Chlorophenylmagnesium bromide 1.0 m in tetrahydrofuran;P-chlo