Yuankanin, a natural compound found in thyme leaves, Daphne gnidium and Daphne feddei, is a genkwanin-5-bioside with anthelmintic activity.

G4 peptide (SIIGFEKL) is a variant of the agonist ovalbumin (OVA) peptide (257-264), SIINFEKL. OVA Peptide is a class I (Kb)-restricted peptide epitope of ovalbumin presented by the class I MHC (major histocompatibility complex) molecule, H-2Kb (class I genes of the mouse MHC).

2"-O-β-L-Galorientin is a natual product isaolated from?Trollius chinensis Bunge.