InChI=1/C19H18O5S2/c1-19(21)17(13-6-10-15(11-7-13)26(3,22)23)16(18(20)24-19)12-4-8-14(25-2)9-5-12/h4-11,21H,1-3H3/t19-/m0/s1 E9C65C88FF60D6CD