InChI=1/C17H24N2O3/c1-12(17(20)19-13-5-3-2-4-6-13)18-14-7-8-15-16(11-14)22-10-9-21-15/h7-8,11-13,18H,2-6,9-10H2,1H3,(H,19,20)/t12-/m1/s1/f/h19H 16B6CA7375542C8B