InChI=1/C18H16O5S/c1-18(20)16(13-8-10-14(11-9-13)24(2,21)22)15(17(19)23-18)12-6-4-3-5-7-12/h3-11,20H,1-2H3/t18-/m1/s1	1A1B1978F8BA70B0