2-(1,3-dimethoxy-1,3-dioxopropan-2-yl)-4-nitrobenzoic acid

2-(1,3-diethoxy-1,3-dioxopropan-2-yl)-4-nitrobenzoic acid

(4-氨基-2-氯苯基)(2-甲苯基)甲酮

2-乙氧基-6-硝基-9-氨基吖啶

2-[2-(Hydroxymethyl)-5-nitrophenyl]ethanol