title: 3,5-Dihydr-oxy-2-methyl-4H-pyran-4-one.
abstract: In the title compound, C(6)H(6)O(4), inter- and intra-molecular hydrogen bonds are observed which help to establish the crystal structure. There are weak π-π interactions between pyran rings separated by 3.5692 (9) Å.
authors.forename: Cheng-Ming
authors.initials: CM
authors.lastname: Dong
authors.forename: Shou-Cheng
authors.initials: SC
authors.lastname: Pu
authors.forename: Wen-Yuan
authors.initials: WY
authors.lastname: Gao