InChI=1/C21H27N5O2/c1-2-12-26-20(27)17-19(24-18(23-17)15-5-3-4-6-15)25(21(26)28)13-11-14-7-9-16(22)10-8-14/h7-10,15H,2-6,11-13,22H2,1H3,(H,23,24)/f/h23H FA499719A819AF40