InChI=1/C16H16N2O4S/c19-16(17-20)15-10-12-6-4-5-7-13(12)11-18(15)23(21,22)14-8-2-1-3-9-14/h1-9,15,20H,10-11H2,(H,17,19)/t15-/m1/s1/f/h17H	692B2C4BA98B21F7