Orexin B, human is an endogenous agonist at Orexin receptor with Kis of 420 and 36 nM for OX1 and OX2, respectively. Orexin B is a hypothalamatic neuropeptide stimulating food intake in rats.

2β-Methoxy-2-deethoxy-8-O-deacylphantomolin-8-O-tiglinate is a sesquiterpene lactone that can be isolated from Elephantopus mollis. 2β-Methoxy-2-deethoxy-8-O-deacylphantomolin-8-O-tiglinate exhibits cytotoxicity in mouse neuroblastoma B104 cells with an IC50 of 3.85 μM.

Rhizoferrin is a novel iron carrier from the fungus Rhizopus microsporus var. rhizopodiformis for the study of iron-deficiency-induced chlorosis in plants.