3-phenyl-1,2-thiazole-4-carboxylic acid

phenyl-(3-phenyl-1,2,4-thiadiazol-5-yl)methanone

2-苯并唑啉酮

1,3-二甲基-2-咪唑啉酮

3-苯基异噻唑-5-羧酸乙酯