InChI=1/C14H18N2O2/c1-10-3-5-12(6-4-10)15-14(18)11-7-8-16(2)13(17)9-11/h3-6,11H,7-9H2,1-2H3,(H,15,18)/t11-/m1/s1/f/h15H 30AAAFF8617D5CE4