2-(3-硝基苯基)-2-氧代-乙酸

1,4 - 二甲基- 1H -咪唑

2,3,5-三氯-1,4-苯醌

(2,4-dinitrophenyl)-(4-nitrophenyl)diazene

diethyl 2,4,6-trihydroxy-5-nitrobenzene-1,3-dicarboxylate