title: (E)-2,3-Bis(4-methoxy-phen-yl)acrylic acid.
abstract: In the title mol-ecule, C(17)H(16)O(4), the angle between the aromatic ring planes is 69.1 (6)°. The crystal structure is stabilized by inter-molecular O-H⋯O hydrogen bonds; mol-ecules related by a centre of symmetry are linked to form inversion dimers.
authors.affiliation: State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210093, People's Republic of China.
authors.forename: Banfeng
authors.initials: B
authors.lastname: Ruan
authors.forename: Ying
authors.initials: Y
authors.lastname: Yang
authors.forename: Zhenwei
authors.initials: Z
authors.lastname: Zhu
authors.forename: Pengcheng
authors.initials: P
authors.lastname: Lv
authors.forename: Hailiang
authors.initials: H
authors.lastname: Zhu