.beta.-Bromopriopionitrile .beta.-Bromopropionitrile 1-Bromo-2-cyanoethane 2-Bromoethyl cyanide 2417-90-5 3-Bromopropionitrile BROMOPROPIONITRILE NSC8021 Propanenitrile, 3-bromo- Propionitrile, 3-bromo- Usaf do-51 WLN: NC2E