InChI=1/C19H20N4O2/c1-9-12(8-21)23-10(2)15(9)16-11(7-20)18(22)25-14-6-19(3,4)5-13(24)17(14)16/h15-16H,5-6,22H2,1-4H3/t15-,16+/m1/s1 583B62B7A56D0212