4-羟基-5-硝基吡嗪-3(2H)-酮;
4-hydroxy-5-nitropyridazin-3(2H)-one;5-nitro-1,2-dihydro-pyridazine-3,4-dione;5-Hydroxy-4-nitro-pyridazon-6;4-Hydroxy-5-nitro-3(2H)-pyridazinone;5-nitro-4-hydroxy-3(2H)-pyridazinones;
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