InChI=1/C18H22N2O8/c1-25-15-8-12(10-21)14(20(23)24)9-16(15)26-11-17(22)19-13-2-4-18(5-3-13)27-6-7-28-18/h8-10,13H,2-7,11H2,1H3,(H,19,22)/f/h19H 7C97D5FE9B7588D9