InChI=1/C19H16N4O/c1-11-7-12(10-22-9-11)17-14-3-4-16-13(5-6-23(16)2)18(14)24-19(21)15(17)8-20/h3-7,9-10,17H,21H2,1-2H3/t17-/m0/s1 37A0B210F944313E