InChI=1/C14H11O7P/c15-14(9-5-6-10-12(7-9)20-8-19-10)21-11-3-1-2-4-13(11)22(16,17)18/h1-7H,8H2,(H2,16,17,18)/p-2/fC14H9O7P/q-2 E2FBBAA7DC25DC43