adenosine 5 ' 0- ( 2-thiotriphosphate ) ( atp beta s ) was more active than adenosine 5 ' 0 ( 1-thiotriphosphate ) ( atp alpha s ) and atp in producing contractile responses on the vas deferens of rat and guinea-pig , and guinea-pig bladder , though the difference of potency was less marked for producing relaxation of the carbachol-contracted taenia coli .
C0001443
adenosine
C0001480
atp