InChI=1/C16H22N4O2/c21-11-16-5-1-6-17-15(16)4-7-20(10-16)9-12-2-3-13-14(8-12)19-22-18-13/h2-3,8,15,17,21H,1,4-7,9-11H2/p+1/t15-,16-/m1/s1/fC16H23N4O2/h17H/q+1 6E79CD102DB58FF9