1,3,5-三甲基巴比妥酸

N-phenacyl-3-methylpyridinium bromide

1,3-dimethyl-5-(4-methyl-benzylidene)-pyrimidine-2,4,6-trione

N-苯甲酰甲基溴吡啶

1-(2-乙氧基-2-氧乙基)溴化吡啶