Potent & selective kappa opioid peptide.

A class of opioid peptides including dynorphin A, dynorphin B, and smaller fragments of these peptides. Dynorphins prefer kappa-opioid receptors (RECEPTORS, OPIOID, KAPPA) and have been shown to play a role as central nervous system transmitters.

Copolymer of ethyleneglycol dimethacrylate and hydroxyethyl methacrylate.

A THEOPHYLLINE derivative with broncho- and vasodilator properties. It is used in the treatment of asthma, cardiac dyspnea, and bronchitis.

From the sponge Dysidea herbacea.

From the sponge Dysidea species.