6-(3-硝基苯基)吡嗪-3(2H)-酮

4-(3-hydroxyphenyl)-4-oxobutanoic acid

3-氯-6-(3-硝基苯基)吡嗪

4-(3-甲氧基苯基)-4-氧代丁酸

3-(3-nitrophenyl)-4,5-dihydro-1H-pyridazin-6-one