2367-19-3 4-(Phenylamino)benzenediazonium tetrafluoroborate 55805-58-8 Benzenediazonium, 4-(phenylamino)-, tetrafluoroborate(1-) Diphenylamine-4-diazonium fluoroborate EINECS 219-124-3 p-Phenylaminobenzenediazonium tetrafluoroborate