4,4'-Dihydroxybiphenyl4,4'-Biphenol4,4′-Dihydroxybiphenyl4,4′-Diphenol4,4′-联苯酚4,4′-联苯二酚4,4'-BIPHENOL4,4′-二苯酚4,4′-Biphenyldiolp,p'-DIPHENOL4,4′-Biphenol4,4′-二羟基联苯Biphenyl-4,4'-diol4,4'-Dihydroxybiphenyl4,4'-二羟基联苯p,p'-Biphenolbiphenyl-4,4'-diolp,p'-dihydroxybiphenyl4,4'-Biphenyldiol4,4'-Dihydroxybiphenyl4,4'-biphenol4,4'-dioxydiphenylDODp,p'-biphenol