1H-Indazolium, 3-((4-(diethylamino)phenyl)azo)-1,2-dimethyl-, (T-4)-tetrachlorozincate(2-) (2:1) 73507-57-0 Bis(3-((4-(diethylamino)phenyl)azo)-1,2-dimethyl-1H-indazolium) tetrachlorozincate EINECS 277-506-5