2-氯-4'-硝基苯乙酮

2-fluoro-1-(4-nitrophenyl)ethanone

α-chloro-4-nitroacetophenone dimethyl acetal

1-(1,1-Difluoroethyl)-4-nitrobenzene

4,4,4-trifluoro-1-(4-nitrophenyl)butane-1,3-dione