Meclocycline (INN) is a tetracycline antibiotic. It is used topically (i.e. for skin infections) as it is totally insoluble in water and may cause liver and kidney damage if given systemically.

QL9 is derived from the enzyme 2-oxoglutarate dehydrogenase and belongs to the endogenous peptide repertoire of all H-2d APCs.

Triflumuron is an insecticide belonging to the group of so-called insect growth regulators. It inhibits the synthesis of chitin by the insect larvae causing the die.