InChI=1/C20H19NO6S/c1-2-21(13-14-3-6-18-19(11-14)26-10-9-25-18)28(23,24)16-5-7-17-15(12-16)4-8-20(22)27-17/h3-8,11-12H,2,9-10,13H2,1H3 0F14F2FF16C800BC