InChI=1/C19H19N5O2/c1-2-3-4-17-21-13-8-6-12(10-16(13)22-17)20-18(25)11-5-7-14-15(9-11)24-19(26)23-14/h5-10H,2-4H2,1H3,(H,20,25)(H,21,22)(H2,23,24,26)/f/h20,22-24H AF15374E37DB96D7