InChI=1/C16H28N4/c1-13-14(12-17)15(19(2)18-13)20-10-8-16(9-11-20)6-4-3-5-7-16/h3-12,17H2,1-2H3/p+1/fC16H29N4/h17H/q+1 DC1A5FA5AFA66EFC