2H-Pyran-5-carboxylic acid, 4,6-dimethyl-2-oxo-
Glutaconic acid, 4-(1-hydroxyethylidene)-3-methyl-, δ-lactone
Coumalic acid, 4,6-dimethyl-
4,6-Dimethyl-2-oxo-2H-pyran-5-carboxylic acid
Acetic acid, isodehydro-
Isodehydracetic acid
Isodehydroacetic acid
2-Pentenedioic acid, 4-(1-hydroxyethylidene)-3-methyl-, δ-lactone
4,6-Dimethylcoumalic acid
NSC 34551
NSC 408066
2,4-Dimethyl-6-oxo-6H-pyran-3-carboxylic acid
2,4-Dimethyl-6-oxopyran-3-carboxylic acid