title: 2-(Hy-droxy-meth-yl)pyridin-3-ol.
abstract: In the crystal structure of the title compound, C(6)H(7)NO(2), the mol-ecules are are linked by inter-molecular O-H⋯N and O-H⋯O hydrogen bonds; π-π stacking is observed between parallel pyridine rings of adjacent mol-ecules [centroid-to-centroid distance = 3.7649 (12) Å].
authors.affiliation: State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing University of Technology, Nanjing 210009,  People's Republic of China.
authors.forename: Xue-Jun
authors.initials: XJ
authors.lastname: He
authors.forename: Jiang-Kai
authors.initials: JK
authors.lastname: Qiu
authors.forename: Yu-Chi
authors.initials: YC
authors.lastname: Jia
authors.forename: De-Cai
authors.initials: DC
authors.lastname: Wang
authors.forename: Ping-Kai
authors.initials: PK
authors.lastname: Ou-Yang