sodium 1-[4-(n-butoxycarbonyl)piperazin-1-yl]diazen-1-ium-1,2-diolate 、 O
2-(2,4-dinitro-5-fluorophenyl) 1-(N,N-dimethylamino)diazen-1-ium-1,2-diolate 以
丙酮 为溶剂,
以93%的产率得到1-[1-(N,N-dimethylamino)diazen-1-ium-1,2-diol-2-ato]-2,4-dinitro-5-{[(4-n-butoxycarbonyl)piperazin-1-yl]diazen-1-ium-1,2-diol-2-ato}benzene