(E)-2-(3-bromo-5-nitro-4-pyridinyl)-N,N-dimethylethenamine

[2-(3-bromo-5-nitro-pyridin-4-yl)-vinyl]-dimethyl-amine

3-溴-4-羟基-5-硝基吡啶

3-溴-4-氯-5-硝基吡啶

3-溴-4-甲基-5-硝基吡啶