InChI=1/C17H20N2O6/c20-15(19-17(22)18-12-4-2-1-3-5-12)9-23-16(21)11-6-7-13-14(8-11)25-10-24-13/h6-8,12H,1-5,9-10H2,(H2,18,19,20,22)/f/h18-19H 9C6EF8812B2F9298