InChI=1/C13H22N4O2/c14-8-5-10-3-4-11(6-8)17(10)7-12(18)16-13(19)15-9-1-2-9/h8-11H,1-7,14H2,(H2,15,16,18,19)/p+1/t8?,10-,11+/fC13H23N4O2/h14-16H/q+1 26CBECF3C75C3F76