1,2-Dihydro-6-methyl-2-oxonicotinonitrile 3-Pyridinecarbonitrile, 1,2-dihydro-6-methyl-2-oxo- 39215-39-9 4241-27-4 EINECS 224-202-5 NSC 15124 Nicotinonitrile, 1,2-dihydro-6-methyl-2-oxo- (8CI)