
1) Sugar acid
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https://www.crosswordclues.com/clue/glyceric-acid

Glyceric acid is a natural three-carbon sugar acid. Salts and esters of glyceric acid are known as glycerates. ==Biochemistry== Several phosphate derivatives of glyceric acid, including 2-phosphoglyceric acid, 3-phosphoglyceric acid, 2,3-bisphosphoglyceric acid, and 1,3-bisphosphoglyceric acid, are important biochemical intermediates in Glycolysis...
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http://en.wikipedia.org/wiki/Glyceric_acid

HOCH2-CHOH-COOH;the fatty acid analog of glycerol; occurs particularly in the form of phosphorylated derivatives, as an intermediate in glycolysis. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

Type: Term Pronunciation: gli-sĕr′ik as′id Definitions: 1. The fatty acid analogue of glycerol; occurs particularly in the form of phosphorylated derivatives as an intermediate in glycolysis. Synonyms: 2, 3-dihydroxypropranoic acid
Found on
http://www.medilexicon.com/medicaldictionary.php?t=37784

Glyceric acid is a viscous liquid carboxylic acid produced by the oxidation of glycerol; 2,3- dihydroxypropanoic acid.
Found on
http://www.probertencyclopaedia.com/browse/GG.HTM

[
n] - a syrupy acid obtained by oxidation of glycerol or glyceraldehyde
Found on
http://www.webdictionary.co.uk/definition.php?query=glyceric%20acid
No exact match found.