title: 4-(8-Hydr-oxy-3-methyl-1,4-dioxo-1,4-dihydro-2-naphth-yl)butanoic acid.
abstract: In the title compound, C(15)H(14)O(5), an intramolecular O-H⋯O hydrogen bond occurs. In the crystal, the molecules form inversion dimers linked by pairs of O-H⋯O bonds, which are further linked by C-H⋯O interactions.
authors.forename: Yan-Fei
authors.initials: YF
authors.lastname: Wang
authors.forename: Huang
authors.initials: H
authors.lastname: Tang
authors.forename: Yan-Cheng
authors.initials: YC
authors.lastname: Liu
authors.forename: Zhen-Feng
authors.initials: ZF
authors.lastname: Chen
authors.forename: Hong
authors.initials: H
authors.lastname: Liang