4,4-Dimethyl-3-oxopentanenitrile 4,4-Dimethyl-3-oxovaleronitrile 59997-51-2 EINECS 262-017-1 Pentanenitrile, 4,4-dimethyl-3-oxo- Pivaloylacetonitrile Valeronitrile, 4,4-dimethyl-3-oxo-