InChI=1/C5H10N2O2/c1-5(7-4-9)2-6-3-8/h3-5H,2H2,1H3,(H,6,8)(H,7,9 N,N'-propane-1,2-diyldiformamide formamide, N,N'-(1-methyl-1,2-ethanediyl)bis-