*2萘的硝化和溴化 Br CI Br2 CH3COOH Cl2 I2 C6H6 72-75% HNO3.H2SO 92% 50C NO2 4-5% NO 92% *2 萘的硝化和溴化 Br2 CH3COOH HNO3 ,H2SO4 50 oC Cl2 I2 C6H6 Br Cl NO2 NO2 + 72-75% 92% 4-5% 92%