InChI=1/C21H19NO7/c1-12(2)28-19(23)11-27-17-8-7-16-20(24)18(29-21(16)13(17)3)10-14-5-4-6-15(9-14)22(25)26/h4-10,12H,11H2,1-3H3/b18-10-	CAD1D1010C357EB2