2,5-Diethoxy-4-(morpholin-4-yl)benzenediazonium hydrogen sulphate 32178-39-5 4-Morpholino-2,5-diethoxybenzenediazonium sulfate Benzenediazonium, 2,5-diethoxy-4-(4-morpholinyl)-, sulfate (1:1) EINECS 250-940-2