4,4'-THIODIPHENOL4-[(4-Hydroxyphenyl)thio]phenol4,4'-二苯硫醚二酚4,4'-Dihydroxydiphenyl sulfideBis(4-hydroxyphenyl) sulfide4,4'-Thiodiphenol4,4′-硫代二苯酚4,4′-ThiodiphenolTDP4-Hydroxyphenyl sulfide4,4'-二羟基二苯硫醚p,p'-Dihydroxydiphenyl sulfide4,4'-thiodiphenolBis(4-oxyphenyl)sulfide4,4'-Dihydroxydiphenyl sulfide