InChI=1/C21H27N5O2/c22-20(28)15-4-6-16(7-5-15)25-18(27)9-13-26-12-8-17-19(24-14-23-17)21(26)10-2-1-3-11-21/h4-7,14H,1-3,8-13H2,(H2,22,28)(H,23,24)(H,25,27)/p+1/fC21H28N5O2/h23-25H,22H2/q+1 E0A64E64F4141C3F