InChI=1/C19H25N5O2/c1-12(2)20-18(25)19(26)21-15-11-14(9-8-13(15)3)17-23-22-16-7-5-4-6-10-24(16)17/h8-9,11-12H,4-7,10H2,1-3H3,(H,20,25)(H,21,26)/f/h20-21H 1769B7CE360F126C