Pantolactone belongs to the class of organic compounds known as gamma-butyrolactones. gamma-Butyrolactones are compounds containing a gamma-butyrolactone moiety which consists of an aliphatic five-member ring with four carbon atoms one oxygen atom and bears a ketone group on the carbon adjacent to the oxygen atom.

Phenol, 2-methoxy-5-[(1Z)-2-(3,4,5-trimethoxyphenyl)ethenyl]-, 1,1'-(hydrogen phosphate) is a chemical compound that is a phosphate derivative of the statin class.

TSPO ligand-2 is a ligand of AUTAC1 which contains a p-fluorobenzylguanine and a Fumagillol moiety.