CH2=CH+CH2、C C-ONa C3H7--CH CH 司可巴比妥钠 CH C+SNal CH,CH CHCH C CH3 硫喷妥钠C C C O N O N C ONa CH2 CH CH2 CH CH3 C3H7 H 司可巴比妥钠 硫喷妥钠 H C C C O N O N C SNa C2H5 CH3CH2CH2CH CH3