InChI=1/C19H16N2/c1-2-6-14-12-21-10-9-16-15-7-3-4-8-17(15)20-19(16)18(21)11-13(14)5-1/h3-4,7-12H,1-2,5-6H2/p+1/fC19H17N2/h20H/q+1 40A762C89F6FDC4C