2,5-Diethoxy-4-(pyrrolidinyl)benzenediazonium tetrachlorozincate (2:1) 4-Pyrrolidino-2,5-diethoxybenzenediazonium chloride, zinc chloride (2:1) 68785-06-8 Benzenediazonium, 2,5-diethoxy-4-(1-pyrrolidinyl)-, (T-4)-tetrachlorozincate(2-) (2:1) EINECS 272-291-4