InChI=1/C17H20N2O3/c1-11-4-3-5-12(2)19(11)17(22)14(10-18)8-13-6-7-15(20)16(21)9-13/h6-9,11-12,20-21H,3-5H2,1-2H3/b14-8+/t11-,12+ C32FC0F4AF2AF0A4