4-nitobenzene diazonium ion, 4-Nitrophenyldiazonium, p-nitrophenyldiazonium, Benzenediazonium,4-nitro, p-nitrobenzeneazo, para-nitrobenzeneazo, p-nitrophenyldiazonium salt, p-nitrobenzene diazonium salt, p-nitrobenzenediazonium ion, 4-Nitroaniline diazonium salt