6-oxopyran-3-carboxylic acid;6-oxo-3-pyrancarboxylic acid;6-ketopyran-3-carboxylic acid;500-05-0;alpha-Pyrone-5-carboxylic acid;2-oxo-2H-pyran-5-carboxylic acid;.alpha.-Pyrone-5-carboxylic acid;2-Oxopyran-5-carboxylic acid;2-Pentenedioic acid, 4-(hydroxymethylene)-, .delta.-lactone;2H-Pyran-5-carboxylic acid, 2-oxo-;Coumalic acid;Cumalic acid;NSC22978;2-Pyrone-5-carboxylic acid;28130_FLUKA;SBB004170;C85409_ALDRICH;InChI=1/C6H4O4/c7-5-2-1-4(3-10-5)6(8)9/h1-3H,(H,8,9;2-Oxo-1,2H-pyran-5-carboxylic acid;AIDS-002612;AIDS002612;2-Pentenedioic acid, 4-(hydroxymethylene)-, delta-lactone;EINECS 207-899-0;NSC 22978
6-oxopyran-3-carboxylic acid