InChI=1/C19H25N5O2/c25-18(23-9-4-5-10-23)13-20-19(26)21-14-7-8-16-15(12-14)22-17-6-2-1-3-11-24(16)17/h7-8,12H,1-6,9-11,13H2,(H2,20,21,26)/f/h20-21H 59EF6C5F9ED92832