camp production in luteal homogenates was assessed in the absence ( basal activity ) and presence of maximum stimulatory doses of forskolin ( 100 microm ) , 5'-guanylylimidodiphosphate [ gmp-p ( nh ) p ; 50 microm ] , gtp ( 50 microm ) , and gtp plus increasing doses of hlh and hcg .
C0018366
guanylylimidodiphosphate
C0018353
gtp