the rank order of potency of various kinin analogues to increase paw volume and skin vascular permeability in rats was sigma-cyclo- ( lys1-gly6 ) -bk = sigma-cyclo-kallidin much greater than bk greater than kallidin = methionyl-lysyl-bk much greater than des-arg9-bk .
C0022474
lysyl-bk
C0006100
bk