InChI=1/C15H16N2O4S/c1-3-20-10-6-5-9(12(8-10)21-4-2)7-11-13(18)16-15(22)17-14(11)19/h5-8H,3-4H2,1-2H3,(H2,16,17,18,19,22)/p-1/fC15H15N2O4S/h16H/q-1/b11-7-	14658789D641C041