InChI=1/C16H24N4O2/c1-17-15(21)13-5-3-12(4-6-13)11-18-16(22)19-14-7-9-20(2)10-8-14/h3-6,14H,7-11H2,1-2H3,(H,17,21)(H2,18,19,22)/p+1/fC16H25N4O2/h17-20H/q+1 B2B520F460B2026F