InChI=1/C15H19N3O2/c1-10-8-12(5-6-14(10)18-16)15(19)17-11(2)9-13-4-3-7-20-13/h3-8,11,18H,9,16H2,1-2H3,(H,17,19)/t11-/m1/s1/f/h17H 8B060F9DF6C9B12A