1-Methyl-3,5-dinitro-1H-pyridin-2-one1-Methyl-3,5-dinitro-2-pyridone??1-甲基-3,5-二硝基-2-吡啶酮1-甲基-3,5-二硝基吡啶-2(1H)-酮1-Methyl-3,5-dinitropyridin-2(1H)-one1-methyl-3,5-dinitro-1,2-dihydropyridin-2-one1-methyl-3,5-dinitropyridin-2(1H)-one1-Methyl-3,5-dinitropyridine-2(1H)-one