InChI=1/C21H29N5O2/c1-2-3-9-18(24-21(22)28)20(27)26-13-11-25(12-14-26)15-17-7-4-6-16-8-5-10-23-19(16)17/h4-8,10,18H,2-3,9,11-15H2,1H3,(H3,22,24,28)/t18-/m0/s1/f/h24H,22H2 497083350D416ADD