title: 2-(3,5-Di-tert-butyl-4-hydroxy-benzyl-sulfan-yl)nicotinic acid.
abstract: Two mol-ecules of the title compound, C(21)H(27)NO(3)S, are disposed about a center of inversion, generating an O-H⋯O hydrogen-bonded dimer.
authors.affiliation: Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.
authors.forename: Shahirah
authors.initials: S
authors.lastname: Mansor
authors.forename: Wagee A
authors.initials: WA
authors.lastname: Yehye
authors.forename: Azhar
authors.initials: A
authors.lastname: Ariffin
authors.forename: Noorsaadah Abdul
authors.initials: NA
authors.lastname: Rahman
authors.forename: Seik Weng
authors.initials: SW
authors.lastname: Ng