InChI=1/C22H20N2O8S/c25-9-1-7-23-19(27)15-5-3-13(11-17(15)21(23)29)33(31,32)14-4-6-16-18(12-14)22(30)24(20(16)28)8-2-10-26/h3-6,11-12,25-26H,1-2,7-10H2 8652009AD663E4D0