甲基6-甲氧基-2-(4-硝基苯基)-4-氧代-4H-苯并吡喃-3-羧酸酯

1-(2,5-dihydroxyphenyl)-3-(4-nitrophenyl)propane-1,3-dione

氯化对硝基苯甲酰

6-methoxy-2-(4-nitrophenyl)-4H-chromen-4-one

2-羟基-5-甲氧基苯乙酮