InChI=1/C19H23N5O2/c1-25-15-9-7-14(8-10-15)22-19-23-17-16(20-12-21-17)18(24-19)26-11-13-5-3-2-4-6-13/h7-10,12-13H,2-6,11H2,1H3,(H2,20,21,22,23,24)/f/h21-22H D397F8E54ABD1FA8