InChI=1/C16H22N4O2/c21-15(19-22)7-3-4-12-8-10-20(11-9-12)16-17-13-5-1-2-6-14(13)18-16/h1-2,5-6,12,22H,3-4,7-11H2,(H,17,18)(H,19,21)/f/h17,19H 790E1D2C0BE0001E