InChI=1/C15H26N2O2/c1-11(2)15(3)13(18)17-14(19-15)16-12-9-7-5-4-6-8-10-12/h11-12H,4-10H2,1-3H3,(H,16,17,18)/t15-/m1/s1/f/h16H B296247653E192B0