InChI=1/C19H19N5O2/c1-25-15-9-7-13(8-10-15)4-2-5-14-12-17-22-18(16-6-3-11-26-16)23-24(17)19(20)21-14/h3,6-12H,2,4-5H2,1H3,(H2,20,21)/f/h20H2 75A2FB066261F659