InChI=1/C15H16N2O8/c18-4-9-10(19)11(20)12(21)13(24-9)15-16-14(17-25-15)6-1-2-7-8(3-6)23-5-22-7/h1-3,9-13,18-21H,4-5H2/t9-,10+,11+,12-,13+/m0/s1 C345EB145D2CB48C