InChI=1/C21H26N6O/c1-21(2,3)16-6-8-17(9-7-16)23-20(28)15-5-4-12-26(13-15)19-11-10-18-24-22-14-27(18)25-19/h6-11,14-15H,4-5,12-13H2,1-3H3,(H,23,28)/t15-/m0/s1/f/h23H 9ED95C7B78BF1D78