Glycerol 3-phosphate is produced by the reduction of dihydroxyacetone phosphate by NADH formed during glycolysis of the cytoplasmic glycerol 3-phosphate dehydrogenase pathway.

1-Methylhistamine dihydrochloride is a major metabolite of histamine by histamine N-methyltransferase in the pathway of histidine metabolism.?It has been used as a biomarker of histaminergic system activity in the brains of Alzheimer's disease patients as well as those with hypersomnia and other neurological conditions.

2-Methylbutanal belongs to the class of organic compounds known as short-chain aldehydes.