Effects of multiple concentrations of CRF1 antagonists (A, PF-4325743; B, DMP904; C, R121919; D, PF-4734666; E, PF-4659901; and F, SN003) on oCRF-induced cAMP accumulation in CHO-pro5 cells expressing recombinant rCRF1 receptor. Assays were incubated for 90 min. Representative data from one experiment.