.gamma.,.gamma.-Bis(p-hydroxyphenyl)valeric acid 126-00-1 4,4-Bis(4-hydroxyphenyl)pentanoic acid 4,4-Bis(4-hydroxyphenyl)valeric acid 4,4-Bis(p-hydroxyphenyl)pentanoic acid 4,4-Bis(p-hydroxyphenyl)valeric acid Benzenebutanoic acid, 4-hydroxy-.gamma.-(4-hydroxyphenyl)-.gamma.-methyl- DPA Diphenolic acid NSC55069 Valeric acid, 4,4-bis(p-hydroxyphenyl)-