InChI=1/C16H24N2O3/c17-16(18-19)14-6-8-15(9-7-14)21-11-10-20-12-13-4-2-1-3-5-13/h6-9,13,19H,1-5,10-12H2,(H2,17,18)/f/h17H2/b18-16- AD2E49E6AE62224A