InChI=1/C19H21N5O/c1-22-18(25)16-14(11-12-7-4-3-5-8-12)21-23(2)17(16)24-15-10-6-9-13(15)20-19(22)24/h3-5,7-8,13,15H,6,9-11H2,1-2H3/p+1/t13-,15+/m1/s1/fC19H22N5O/h20H/q+1 3B5678B9FA812C59