InChI=1/C15H18N2O5S/c1-7(2)12-16-13-10(8(3)11(23-13)15(21)22)14(20)17(12)6-4-5-9(18)19/h7H,4-6H2,1-3H3,(H,18,19)(H,21,22)/p-2/fC15H16N2O5S/q-2 CCD39D0B6EC99976