1H-Pyrazole-3-acetonitrile, 5-amino-4-cyano- 3-Cyanomethyl-4-cyano-5-aminopyrazole 4-Pyrazolecarbonitrile, 5-amino-3-cyanomethyl- 5-Amino-4-cyano-1H-pyrazole-3-acetonitrile 54711-21-6 AI3-61179 EINECS 259-299-3 NSC 22478