InChI=1/C20H19NO6S/c22-18(9-6-16-2-1-3-19-20(16)27-14-26-19)15-4-7-17(8-5-15)28(23,24)21-10-12-25-13-11-21/h1-9H,10-14H2/b9-6+ A60D116B071B4FCD