2,5-Diethoxy-4-(4-morpholinyl)benzenediazonium tetrafluoroborate 2,5-Diethoxy-4-morpholinobenzenediazonium fluoborate 2,5-Diethoxy-4-morpholinobenzenediazonium tetrafluoroborate 42559-34-2 4979-72-0 Benzenediazonium, 2,5-diethoxy-4-(4-morpholinyl)-, tetrafluoroborate(1-) EINECS 225-626-3