13080-89-2 139776-92-4 162521-85-9 4,4'-(Sulfonylbis(4,1-phenyleneoxy))bisbenzenamine 4,4'-(Sulphonylbis(4,1-phenyleneoxy))dianiline 4,4'-Sulfonylbis(4-phenyleneoxy)dianiline ANILINE, 4,4'-SULFONYLBIS(4-PHENYLENEOXY)DI- Aniline, 4,4'-(sulfonylbis(p-phenyleneoxy))di- BRN 2186439 Benzenamine, 4,4'-(sulfonylbis(4,1-phenyleneoxy))bis- Bis(4-(4-aminophenoxy)phenyl)sulfone Bis(4-aminophenoxyphenyl)sulfone EINECS 235-986-3 Sulfonyl diamine