InChI=1/C15H28N2O2/c1-10(2)7-14(18)16-9-13(12-5-6-12)17-15(19)8-11(3)4/h10-13H,5-9H2,1-4H3,(H,16,18)(H,17,19)/t13-/m1/s1/f/h16-17H 3B5B366623ABBF16