对氨基苯甲酸丁酯

furan-2-yl-(4-nitrophenyl)methanone

(4-methylpiperazin-1-yl)-(4-nitrophenyl)methanone

9H-fluoren-2-yl-(4-nitrophenyl)methanone

6-methoxytetrahydro-2H-pyran-3,4-diyl bis(4-nitrobenzoate)