121-89-1
间硝基苯乙酮
→
899714-76-2
5-(3-硝基苯基)-1H-吡唑-3-羧酸
57961-49-6
ethyl 4-(3-nitrophenyl)-2,4-dioxobutanoate
1025724-57-5
Ethyl 5-(3-nitrophenyl)-1H-pyrazole-3-carboxylate