(4-ethoxycarbonylpiperazin-1-yl)-(5-fluoro-2,4-dinitrophenoxy)imino-oxidoazanium 、 sodium 1-(4-N,N-diethylcarbamoylpiperazin-1-yl)diazen-1-ium-1,2-diolate 以
丙酮 为溶剂,
以81%的产率得到1-[4-(ethoxycarbonyl)piperazin-1-yl]diazen-1-ium-1,2-diol-2-ato-2,4-dinitro-5-{[4-(N,N-diethylaminocarbonyl)piperazin-1-yl]diazen-1-ium-1,2-diol-2-ato}benzene