title: Selective inhibition of cyclic nucleotide phosphodiesterases by analogues of 1-methyl-3-isobutylxanthine.
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000037:antagonists & inhibitors*; D000818:Animals; D001026:Coronary Artery Bypass; D006152:Cyclic GMP; D008297:Male; D010726:Phosphodiesterase Inhibitors; D012617:Sea Urchins; D013094:Spermatozoa / Q000201:enzymology; D013329:Structure-Activity Relationship; D013552:Swine; D014970:Xanthines / Q000494:pharmacology*
chemical_list: D010726:Phosphodiesterase Inhibitors; D014970:Xanthines; D015105:3',5'-Cyclic-AMP Phosphodiesterases; D006152:Cyclic GMP