Mastoparan X is a GTP-binding regulatory protein (G protein)-activating peptide, and a tetradecapeptide from wasp venom. Mastoparan X acts function by the direct activation of G protein that couple to phospholipase C to cause secretion from various kinds of cells.

Padmatin is a component of the heartwood of Prunus puddum.

Pseudotropine can cause hepatic necrosis and gastritis with ulceration or erosions.