4-(Hexahydro-1H-azepin-1-yl)benzenediazonium tetrachlorozincate (2:1) 68155-74-8 Benzenediazonium, 4-(hexahydro-1H-azepin-1-yl)-, (T-4)-tetrachlorozincate(2-) (2:1) EINECS 268-986-7