4-Oxopentanoic acid 4-Ketovaleric acid 123-76-2 PENTANOIC ACID,4-OXO MFC5 H8 O3 4-oxo-pentanoic acid LMFA01060006 Laevulinsaeure ST5213942 .beta.-Acetylpropionic acid .gamma.-Ketovaleric acid 3-Acetylpropionic acid 4-Oxovaleric acid Acetopropionic acid LEVA Laevulinic acid Levulic acid Levulinic acid NSC3716 Pentanoic acid, 4-oxo- Propionic acid, 3-acetyl- Usaf cz-1 VALERIC ACID, 4-OXO-(LEVULINIC ACID) Valeric acid, 4-oxo- WLN: QV2V1 AIDS-017682 AIDS017682 3-Acetylpropionsaeure 3-Ketobutane-1-carboxylic acid 4-03-00-01560 (Beilstein Handbook Reference) 4-Oxopentansaeure AI3-03377 Acidum laevulinicum BRN 0506796 EINECS 204-649-2 FEMA No. 2627 Laevulic acid Levulinsaeure NSC 3716 Pentanoic acid, 4-oxo beta-Acetylpropionic acid gamma-Ketovaleric acid CHEBI:45630 InChI=1/C5H8O3/c1-4(6)2-3-5(7)8/h2-3H2,1H3,(H,7,8