InChI=1/C9H18N2/c10-3-4-11-9-6-7-1-2-8(9)5-7/h7-9,11H,1-6,10H2/p+2/t7-,8+,9-/m0/s1/fC9H20N2/h10-11H/q+2 C57DDF904F87D3B2