1 effects of dibutyryl cyclic adenosine 3',5'-monophosphate ( dibutyryl cyclic amp ) and theophylline on bullfrog sympathetic ganglion cells were examined in order to test the hypothesis that cyclic amp is essential for the generation of slow inhibitory postsynaptic potentials ( i.p.s.ps ) in these cells .
C0012054
dibutyryl cyclic
C0001455
cyclic amp