119-59-5 4,4'-Diaminodiphenyl sulfoxide 4,4'-Diaminophenyl sulfoxide 4,4'-Sulfinyldianiline Aniline, 4,4'-sulfinyldi- Benzenamine, 4,4'-sulfinylbis- Bis(p-aminophenyl) sulfoxide DDSO Di(p-aminophenyl) sulfoxide Medapsol NSC6090 p,p'-Diaminodiphenyl sulfoxide p,p'-Sulfinyldianiline