InChI=1/C20H24N4O2/c1-12-7-8-15-16(9-12)22-20(21)23(19(15)26)11-18(25)24-13(2)10-14-5-3-4-6-17(14)24/h3-6,12-13H,7-11H2,1-2H3,(H2,21,22)/t12-,13-/m0/s1/f/h21H2 6731E71430B83B68