InChI=1/C18H22N4O2/c1-3-9-21-15-11-14(12-5-7-13(19)8-6-12)20-16(15)17(23)22(10-4-2)18(21)24/h5-8,11,20H,3-4,9-10,19H2,1-2H3 9993D89D4EAC868A