InChI=1/C15H30N2O3/c1-4-13-12-17(10-11-20-13)9-7-6-8-15(3,16)14(18)19-5-2/h13H,4-12,16H2,1-3H3/t13-,15-/m0/s1 9957A2892938D6C8