InChI=1/C17H15NO7/c1-23-17(22)13-12(9-4-2-3-5-10(9)20)15-14(25-16(13)18)11(21)6-8(7-19)24-15/h2-6,12,19-20H,7,18H2,1H3/t12-/m0/s1 DA14F9850052083F