InChI=1/C19H23N5O/c1-19(2,3)24-16-14(11-20-24)17(25)23-18(22-16)21-15-10-6-8-12-7-4-5-9-13(12)15/h4-5,7,9,11,15H,6,8,10H2,1-3H3,(H2,21,22,23,25)/t15-/m1/s1/f/h21,23H 3EAF246921AA41A7