InChI=1/C14H25N3O2/c1-4-5-6-7-8-13(11(2)18)17-9-12(16-10-17)14(19)15-3/h9-11,13,18H,4-8H2,1-3H3,(H,15,19)/t11-,13-/m1/s1/f/h15H 20B02B0C33647E5A