4-Bromo-3-fluorobenzotrifluoride4-Bromo-3-fluorobenzotrifluoride 97%2-fluoro-4-trifluoromethylbromobenzne1-Bromo-2-fluoro-4-(trifluoromethyl)benzene4-溴-3-氟三氟甲苯4-Bromo-3-fluorobenzotrifluoride2-Fluoro-4-(trifluoromethyl)bromobenzene1-Bromo-2-fluoro-4-(trifluoromethyl)benzene