InChI=1/C19H18N2O5S/c1-20-17-8-7-15(11-16(17)18(22)19(20)23)27(24,25)21-10-9-13(21)12-26-14-5-3-2-4-6-14/h2-8,11,13H,9-10,12H2,1H3/t13-/m0/s1 D152130DE77D95F7