1,5-diazabicyclo[3.1.0]hexane, 6-methyl- 6-methyl-1,5-diazabicyclo[3.1.0]hexane InChI=1/C5H10N2/c1-5-6-3-2-4-7(5)6/h5H,2-4H2,1H3/t5-,6-,7