InChI=1/C18H15FO5S/c1-18(21)16(12-5-9-14(10-6-12)25(2,22)23)15(17(20)24-18)11-3-7-13(19)8-4-11/h3-10,21H,1-2H3/t18-/m0/s1 5AE5FC806C8C2F30