2-Hydroxymethyl-5-hydroxypyridine is isolated from the the matured, ripened and dried seeds of S. lychnophora.

PACAP (6-38), human, ovine, rat is a potent antagonist of PACAP 38. PACAP (6-38) is much more potent and selective than PACAP (6-27) in the inhibition of PACAP-27-stimulated pituitary adenylate cyclase.

Delsoline is not only effective in preventing ventricular fibrillation and arrythmia, but can raise the intebsity of the threthold of electrical shocks to cause ventricular fibrillation in rabbits.