InChI=1/C19H22N6O/c1-3-17-22-23-18-11-10-16(24-25(17)18)20-12(2)13-6-8-15(9-7-13)21-19(26)14-4-5-14/h6-12,14H,3-5H2,1-2H3,(H,20,24)(H,21,26)/t12-/m1/s1/f/h20-21H 6A30CBBEB1D680B7