sodium 1-(4-ethyloxylcarbonylpiperazine-1-yl)diazen-1-ium-1,2-diolate 、 O2-(2,4-dinitro-5-fluorophenyl) 1-(N,N-diethylamino)diazen-1-ium-1,2-diolate 以
丙酮 为溶剂,
以77%的产率得到1-[1-(N,N-diethylamino)diazen-1-ium-1,2-diol-2-ato]-2,4-dinitro-5-{[(4-ethoxycarbonyl)piperazin-1-yl]diazen-1-ium-1,2-diol-2-ato}benzene