InChI=1/C21H24N4O3/c1-4-13-5-7-14(8-6-13)18(25(2)3)12-22-19(26)15-9-10-16-17(11-15)24-21(28)20(27)23-16/h5-11,18H,4,12H2,1-3H3,(H,22,26)(H,23,27)(H,24,28)/t18-/m1/s1/f/h22-24H 962DF4FDE2BC97B8