1-(4-甲氧基苄基)-3,5-二氯吡嗪-2(1H)-酮

1-丁基咪唑啉-2,4,5-三酮

4-(甲基磺酰基)苯甲酰氯

3,4-二羟基氧杂蒽酮

2-(2,4-dihydroxyphenyl)-2-oxoacetic acid