Similar names: Phen-2,3,5,6-d4-ol, 4,4'-sulfonylbis- (ACI): 4,4'-Sulfonylbis[phen-2,3,5,6-d4-ol] (ACI); 4,4'-Sulfonylbis[phenol-2,3,5,6-d4]; 1,1'-Sulfonylbis[4-hydroxybenzene-2,3,5,6-d4]; 4,4'-Bisphenol S (ring-D8); 4,4'-Dihydroxydiphenyl sulfone (2,2',3,3',5,5',6,6'-D8); Bis(4-hydroxyphenyl) sulfone (2,2',3,3',5,5',6,6'-D8); Bis(p-hydroxyphenyl) sulfone (ring-D8); Bisphenol S (ring-D8); p,p'-Dihydroxydiphenyl sulfone (ring-D8)