1-Bromo-2-cyanoethane 2-Bromoethyl cyanide 2-Cyanoethyl bromide 2417-90-5 3-Bromopropanenitrile 3-Bromopropionitrile 3-Bromopropiononitrile 4-02-00-00766 (Beilstein Handbook Reference) AI3-17851 BRN 1738565 EINECS 219-332-4 NSC 8021 PROPIONITRILE, 3-BROMO- Propanenitrile, 3-bromo- Propionitrile, beta-bromo- USAF DO-51 beta-Bromopriopionitrile beta-Bromopropionitrile