InChI=1/C19H24N4O2/c1-12-7-8-15(9-13(12)2)23-17-16(18(24)21-19(23)25)10-22(11-20-17)14-5-3-4-6-14/h7-9,14,20H,3-6,10-11H2,1-2H3,(H,21,24,25)/f/h21H 6EB22FAB9B90DD71