Synonyms: Benzenediazonium, 2,5-dibutoxy-4-(1-pyrrolidinyl)-, (T-4)-tetrachlorozincate(2-) (2:1);4-Pyrrolidino-2,5-dibutoxybenzenediazonium chloride, zinc chloride double salt (2:1);2,5-Dibutoxy-4-(pyrrolidinyl)benzenediazonium tetrachlorozincate (2:1);2,5-dibutoxy-4-(pyrrolidin-1-yl)benzenediazonium zinc chloride (2:1:4)