3-Methylxanthine, a xanthine derivative, is a cyclic guanosine monophosphate (GMP) inhibitor.

2′-Deoxyadenosine 5′-monophosphate disodium, a nucleic acid AMP derivative, is a deoxyribonucleotide found in DNA. 2′-Deoxyadenosine 5′-monophosphate disodium can be used to study adenosine-based interactions during DNA synthesis and DNA damage.

Stigmastanol is a phytosterol isolated from Hypericum riparium, which is a Cameroonian medicinal plant.