Deoxyguanosine is a nucleoside consisting of the base guanine and the sugar deoxyribose. It is like guanosine but with one oxygen atom removed. It is a nucleoside component of DNA. Deoxyguanosine can be converted to 8-hydroxy-deoxyguanosine (8-OHdG) due to hydroxyl radical attack at the C8 of guanine.

Hexaflumuron is a chitin synthesis inhibitor used to bait and eliminate termite colonies. Termites are unable to metabolize hexaflumuron and clearance is slow resulting in up to 100% elimination.

Coenzyme FO, a deazaflavin chromophore, is essential as a hydride acceptor/donor in the central methanogenic pathway .