InChI=1/C13H18N2O2/c1-10-11(7-14)6-13(17-10)9-15(2)8-12-4-3-5-16-12/h3-6H,7-9,14H2,1-2H3/p+2/fC13H20N2O2/h14-15H/q+2 9B81AFEE4789AFF2