title: Bis(3,5-dimethyl-pyrazol-1-yl)acetic acid.
abstract: In the title compound, C(12)H(16)N(4)O(2), the dihedral angle between the two pyrazole rings is 78.17 (7)°. Inter-molecular O-H⋯N hydrogen bonds link the mol-ecules into one-dimensional chains along the c axis.
authors.affiliation: Department of Chemistry, Kyungpook National University, Taegu 702-701, Republic of Korea.
authors.forename: Quang Trung
authors.initials: QT
authors.lastname: Nguyen
authors.forename: Jong Hwa
authors.initials: JH
authors.lastname: Jeong