to investigate the vasodilator actions of nitroglycerine and isoprenaline , the effects of these agents , dibutyryl cyclic amp ( db cyclic amp ) and 8-bromo cyclic gmp ( 8-br cyclic gmp ) on intact muscle tissue , and cyclic amp and cyclic gmp on skinned muscle of the rabbit mesenteric artery were investigated .
C0012054
dibutyryl cyclic amp
C0001455
cyclic amp