109521-82-6 2,5-Diethoxy-4-(morpholin-4-yl)benzenediazonium trichlorozincate 26123-91-1 4979-73-1 50772-03-7 Benzenediazonium, 2,5-diethoxy-4-(4-morpholinyl)-, trichlorozincate(1-) EINECS 247-473-1