23815-87-4 8-De-phe-9-de-arg-bradykinin 8-Des-phe-9-des-arg-BK Bradykinin, 8-de(L-phenylalanine)-9-de-L-arginine- Bradykinin, des-phe(8)-des-arg(9)- Bradykinin, des-phenylalanyl(8)-des-arginine(9)- Des-8,9-BK Des-phe(8)-arg(9)-BK