Bis(4-hydroxyphenyl) sulphone4,4'-Dihydroxydiphenyl sulphone4,4'-Sulphonyldiphenolbis(4-hydroxyphenyl)sulfone4,4'-DIHYDROXYDIPHENYL SULFONE TECHNICAL GRADE4,4'-sulfonylbisphenolBPS双(4-羟基苯基)砜Bisphenol SBisphenol S4-Hydroxyphenyl sulfone4,4′-磺酰基二苯酚双(4-羟基苯基)砜4,4'-SulfonyldiphenolBis(4-hydroxyphenyl) sulfone4,4'-Dihydroxydiphenyl sulfoneBis(4-hydroxyphenyl) sulfone双酚 S4,4′-Sulfonyldiphenol4-羟基苯基砜1,1'-Sulfonylbis(4-hydroxybenzene)4,4'-Dihydroxydiphenyl sulfoneDHDPhSBisphenol SBis(4-hydroxyphenyl) sulfone4,4'-sulfonyldiphenolBis(p-hydroxyphenyl) sulfone