InChI=1/C18H18N2O5S/c1-2-11-26(24,25)17-6-4-3-5-15(17)18(21)19-10-9-13-7-8-14(20(22)23)12-16(13)19/h3-8,12H,2,9-11H2,1H3 892B965930EA80BE