InChI=1/C8H18N2O2/c1-5(2)8-11-6(3-9)7(4-10)12-8/h5-8H,3-4,9-10H2,1-2H3/p+2/t6-,7+,8?/fC8H20N2O2/h9-10H/q+2 1A9CBF37BF45381E