InChI=1/C7H12N2/c8-7-6-3-1-2-5(6)4-9-7/h5-6H,1-4H2,(H2,8,9)/p+1/t5-,6+/m0/s1/fC7H13N2/h9H,8H2/q+1 8211637F19415F88