... human/rat/ovine CRF;astressin, {cyclo(30-33)[D-Phe12,Nle21,38, Glu30,Lys33]h/rCRF(12-41)}; ATB, 4-(1-azi-2,2,2-trifluoroethyl)benzoyl; HEK, humanembryonic kidney.(Received 2 July 2002, revised 3 September ... with1-hydroxybenzotriazole/O-(benzotriazol-1-yl)-N,N,N¢,N¢/tetramethyluronium hexafluorophosphate in dimethylform-amide and N,N-diisopropylethylamine in N-methylpyrroli-dine for 8 h. After removal of ... N-methylpyrrolidine, 4-(1-azi-2,2,2-tri-fluoroethyl)benzoic acid was linked to the N-terminus of thepeptide resin with 1-hydroxybenzotriazole/O-(benzotriazol-1-yl)-N,N,N¢,N¢/tetramethyluronium...