InChI=1/C19H25N5O2/c1-4-10-21-19(26)23-12-11-20-18(25)17(23)16-13(2)22-24(14(16)3)15-8-6-5-7-9-15/h5-9,17H,4,10-12H2,1-3H3,(H,20,25)(H,21,26)/t17-/m1/s1/f/h20-21H F7401265B1234793