2002 journal article
Synthesis of N,N-diethyl-N-{4-[(E)-(4- nitrophenyl)diazenyl]phenyl}amine via in situ diazotisation and coupling in supercritical carbon dioxide
Coloration Technology, 118(6), 273–276.
By: J. Hooker, D. Hinks, G. Montero & C. Conlee