2,2-dimethyl-4-(2-oxopyridin-1(2H)-yl)-2H-chromene-6-carbonitrile 2H-1-benzopyran-6-carbonitrile, 2,2-dimethyl-4-(2-oxo-1(2H)-pyridinyl)- InChI=1/C17H14N2O2/c1-17(2)10-14(19-8-4-3-5-16(19)20)13-9-12(11-18)6-7-15(13)21-17/h3-10H,1-2H