InChI=1/C19H24N4O2/c24-16-12-15(13-8-10-20-11-9-13)17-18(21-16)23(22-19(17)25)14-6-4-2-1-3-5-7-14/h8-11,14-15H,1-7,12H2,(H,21,24)(H,22,25)/t15-/m0/s1/f/h21,25H D62C1F54D87ED9DF