oxybutyric acid

English Thesaurus

1. hydroxy derivative of butyric acid (noun.substance)

hypernym	:	butanoic acid, butyric acid,
definition	:	an unpleasant smelling fatty acid found especially in butter (noun.substance)

hyponym	:	beta-hydroxybutyric acid,
definition	:	beta derivative of hydroxybutyric acid that is found in the blood and urine in some cases of impaired metabolism (noun.substance)