Three novel Schiff bases were synthesized using the reaction of 4 - aminoatipyrine with 3 - formylchromone, cinnamaldehyde and anisaldehyde.用 4- 氨基安替比林与 3- 甲酰基色酮 、 肉桂醛、茴香醛反应分别合成了3种新的席夫碱化合物....
往昔的点点滴滴涌上她的心头。Bits and pieces of the past raced through her mind.久远往昔的回忆memories of those far-off days他的谈话令人回忆起往昔的时日.His talk was evocative of the bygone days....