InChI=1/C15H23N3O2/c1-10-6-8-12(9-7-10)16-11(2)13(19)17-14(20)18-15(3,4)5/h6-9,11,16H,1-5H3,(H2,17,18,19,20)/t11-/m1/s1/f/h17-18H E82953F3C6A78E65