Eucomic acid is a natural product found in the roots of Eriosema montanum Baker f.

Egg-laying hormone (ELH) is a neuropeptide synthesized by the bag cell neurons, Egg-laying hormone (ELH) induces egg laying and its correlated behavior in Aplysia californica. Egg-laying hormone (ELH) has been purified to homogeneity and Egg-laying hormone (ELH)'s primary structure has been determined. Egg-laying hormone (ELH) have 36 amino acid residues with a Mr of 4385 and a calculated isoelectric point of 9.7. Egg Laying Hormone of Aplysia induces a voltage-dependent slow inward current carried by Na+ in an identified motoneuron.

Corazonin 是昆虫体内广泛存在的一种高度保守的神经肽激素，可作为社会性昆虫的等级身份和行为的中心调节因子。Corazonin 也优先在工蜂和/或其他社会性昆虫的觅食昆虫中表达。