STUDIES ON 3,7-DIMETHYL-l-(5-OXO-HEXYL)-XANTHINE (BL 191): THE INHIBITORY EFFECT OF BL 191 ON PDE IN VARIOUS TISSUES OF RATS

Abstract
BL 191 inhibited the activity of PDE [phosphodiesterase] from the cerebral cortex, fat pad and ileum non-competitively, while its inhibitory effect on heart muscle and liver PDE was competitive.