2,2'-sulfonyldianiline;2,2'-Sulfonyldi-aniline; 2,2'-Sulfonylbis[benzenamine]; 2,2'-Diaminodiphenyl Sulfone; 2,2'-Sulfonyldianiline; Bis(2-aminophenyl) Sulfone;Bis(2-aminophenyl) Sulfone
2,2'-sulfonyldianiline;2,2'-Sulfonyldi-aniline; 2,2'-Sulfonylbis[benzenamine]; 2,2'-Diaminodiphenyl Sulfone; 2,2'-Sulfonyldianiline; Bis(2-aminophenyl) Sulfone;Bis(2-aminophenyl) Sulfone