InChI=1/C21H24N4O3/c1-13(14-8-10-17(11-9-14)24-20(27)15-6-7-15)23-21(28)25-18-5-3-2-4-16(18)12-19(22)26/h2-5,8-11,13,15H,6-7,12H2,1H3,(H2,22,26)(H,24,27)(H2,23,25,28)/t13-/m1/s1/f/h23-25H,22H2 7276A2D840052AD8