bis(2,3,5,6-tetrafluoro-4-nitrophenyl)diazene;bis(2,3,5,6-tetrafluoro-4-nitro-phenyl)diazene;74632-45-4;Azobenzene, 2,2',3,3',5,5',6,6'-octafluoro-4,4'-dinitro-
bis(2,3,5,6-tetrafluoro-4-nitrophenyl)diazene