title: 1-(2-Hydr-oxy-4,5-dimeth-oxyphen-yl)propan-1-one.
abstract: In the title compound, C(11)H(14)O(4), isolated from the stems of Trigonostemon xyphophylloides, an intra-molecular O-H⋯O hydrogen bond helps to establish an essentially planar conformation for the mol-ecule (r.m.s. deviation = 0.044 Å).
authors.affiliation: Hainan Provincial Key Laboratory of Tropical Pharmaceutical Herb Chemistry, College of Chemistry & Chemical Engineering, Hainan Normal University, Haikou 571158, People's Republic of China.
authors.forename: Changchun
authors.initials: C
authors.lastname: Cen
authors.forename: Guangying
authors.initials: G
authors.lastname: Chen
authors.forename: Changri
authors.initials: C
authors.lastname: Han
authors.forename: Xiaoping
authors.initials: X
authors.lastname: Song