<unk>  is the condition caused by a deficiency in hepatic fructokinase, leading to fructose being excreted in the urine.  It is a less severe condition than hereditary fructose intolerance.
Essential fructosuria
Alkaptonuria
Glycosuria
Mevalonic aciduria
Homocystinuria
Glycogen storage disease type I CT
Hereditary fructose intolerance
Glutaric aciduria type 1