Hygric acid (N-Methyl-L-proline) is a proline analogue found in the citrus juices and the juice of bergamot.

Licorice glycoside C2 is a oleanane-type triterpene oligoglycoside isolated from Glycyrrhiza uralensis. Various biological activities are associated with licorice extracts, such as anti-viral, anti-microbial, antioxidant, anti-inflammatory, anti-ulcer, anti-cancer and anti-HIV effects.

FEN1-IN-1 is an inhibitor of flap endonuclease 1 (FEN1). FEN1-IN-1 binds to the active site of FEN1. It partly achieves inhibition by the co-ordination of Mg2+ ions.