InChI=1/C16H12O5/c17-11(9-15(19)16(20)21)8-14(18)13-7-3-5-10-4-1-2-6-12(10)13/h1-7H,8-9H2,(H,20,21)/p-1/fC16H11O5/q-1	FE252E6A0BA2E4A8