InChI=1/C16H22N2O3/c1-17-16(21)14(19)11-7-2-3-8-12-15(20)18-13-9-5-4-6-10-13/h4-6,9-10H,2-3,7-8,11-12H2,1H3,(H,17,21)(H,18,20)/f/h17-18H A7288D63CE7A0CFA