Synonyms: [(2s)-4-hydroxy-5-oxo-2,5-dihydrofuran-2-yl]acetyl hydrogen carbonate;7776-21-8;Citroylformic acid-gamma-lactone;AC1Q6H2O;AC1L4T90;KST-1A8194;AR-1A8217;carboxy 2-[(2S)-4-hydroxy-5-oxo-2H-furan-2-yl]acetate;1-Keto-2,4-dihydroxy-4-carboxyadipenoic acid (2,3)-1,4-lactone;2-Furanacetic acid, 2-carboxy-2,5-dihydro-4-hydroxy-5-oxo-, (S)-