1,3-Benzenediamine, 2,4,5,6-tetrafluoro- 1,3-Diaminotetrafluorobenzene 1198-63-6 NSC114705 Tetrafluoro-m-phenylenediamine Tetrafluoro-meta-phenylenediamine m-Phenylenediamine, 2,4,5,6-tetrafluoro-