Three new potential cAMP affinity labels. Inactivation of human platelet low Km cAMP phosphodiesterase by 8-[(4-bromo-2,3-dioxobutyl)thio]adenosine 3′,5′-cyclic monophosphate - Grant,P.G.; DeCamp,D.L.; Bailey,J.M.; Colman,R.W.; Colman,R.F. (Biochemistry, 1990)