56-Dihydrouracil is an intermediate breakdown product of uracil.

N6-Isopentenyladenosine, an end product of the mevalonate pathway, is an autophagy inhibitor with anti-melanoma activity. N6-Isopentenyladenosine, an RNA modification found in cytokinins, regulates plant growth/differentiation and improves the efficiency

Adenosine 3',5'-diphosphate sodium salt is an inhibitor of hydroxysteroid sulfotransferases, which are adenine nucleotides containing a phosphate group at the 3' and 5' positions of the pentose ribose.