Wiktionary
acetohydroxamic acid
n. (context organic compound English) The acetyl derivative of hydroxamic acid CH3-CO-NH-OH once used to treat kidney stones
Wikipedia
Acetohydroxamic acid
Acetohydroxamic acid (also known as AHA or Lithostat) is a drug that is a potent and irreversible inhibitor of bacterial and plant urease usually used for urinary tract infections. The molecule is similar to urea but is not hydrolyzable by the urease enzyme.