InChI=1/C19H25N5O2/c1-11(2)26-17-8-7-15(10-20)9-16(17)22-19(25)21-12(3)18-13(4)23-24(6)14(18)5/h7-9,11-12H,1-6H3,(H2,21,22,25)/t12-/m0/s1/f/h21-22H 97E68F78643A7EC6