2,2-Bis(4-hydroxyphenyl)butane 2,2-Bis(p-hydroxyphenyl)butane 4,4'-Dihydroxydiphenyl-2,2-butane 4,4'-sec-Butylidenediphenol 77-40-7 Bis(4-hydroxyphenyl)methylethylmethane Bisphenol B Butane, 2,2-bis(4-hydroxyphenyl)- Butane, 2,2-bis(p-hydroxyphenyl)- NSC1775 Phenol, 4,4'-(1-methylpropylidene)bis- Phenol, 4,4'-sec-butylidenedi- p,p'-Dihydroxy-2,2-diphenylbutane p,p'-sec-Butylidenediphenol