InChI=1/C19H20N2O5S/c1-19(18(23)21-12-7-5-6-8-15(12)27-19)17(22)20-11-9-13(24-2)16(26-4)14(10-11)25-3/h5-10H,1-4H3,(H,20,22)(H,21,23)/t19-/m0/s1/f/h20-21H	03BC23351C620E2D