InChI=1/C16H12O5/c1-21-16-11(7-17)12(18)6-10-13(16)15(20)9-5-3-2-4-8(9)14(10)19/h2-7,10,13,18H,1H3/t10-,13+/m0/s1	193323CF8B4FF522