InChI=1/C20H20O10P2/c1-25-31(23,26-2)29-19-13-9-6-10-14-16(13)15-11(17(19)21)7-5-8-12(15)18(22)20(14)30-32(24,27-3)28-4/h5-10,21-22H,1-4H3 33E4AD8AB3974CEF