InChI=1/C18H15FO5S/c1-18(21)16(11-6-8-14(9-7-11)25(2,22)23)15(17(20)24-18)12-4-3-5-13(19)10-12/h3-10,21H,1-2H3/t18-/m0/s1 B95D5E351F60CAF5