.346 Contents of enols at equilibrium (%h,COCH, CH,(CO, C,Hh NCCH,CO, CH 0.00015 0.0077 0.25 CH3COCH, CO2C2H5 CH2COCHCHsCOCH CH3COCH2COC6H5 76.4 89.2Contents of enols at equilibrium （%） p.346 CH3COCH3 CH2 (CO2C2H5 )2 NCCH2CO2C2H5 CH3COCH2CO2C2H5 0.00015 0.0077 0.25 8 CH3COCHC6H5CO2C2H O O CH3COCH2COC6H5 1.2 30 76.4 89.2 O