InChI=1/C21H23N5O2/c1-13-11-17(15-8-4-3-7-14(13)15)23-21(28)25-24-20(27)12-19-22-16-9-5-6-10-18(16)26(19)2/h3-10,13,17H,11-12H2,1-2H3,(H,24,27)(H2,23,25,28)/t13-,17-/m0/s1/f/h23-25H 5E31BA7239D67208