the stable atp analogue alpha-beta-methylene atp ( 10-100 micrograms i.c . ) depressed chemoreceptor discharge , which suggests the presence of a p2-purinoceptor in the carotid body , and provides evidence that the chemoexcitatory effect of atp results from its hydrolysis to adenosine 5'-phosphate ( amp ) /adenosine .
C0001480
atp
C0001443
adenosine