InChI=1/C17H18N2O6S/c1-12-8-9-14(10-13(12)2)26(23,24)18(3)11-17(20)25-16-7-5-4-6-15(16)19(21)22/h4-10H,11H2,1-3H3 9F21372088C4E78B