InChI=1/C20H22N2O5S/c1-4-27-20(24)12-11-19(23)21-16-6-8-17(9-7-16)28(25,26)22-18-10-5-14(2)13-15(18)3/h5-13,22H,4H2,1-3H3,(H,21,23)/b12-11+/f/h21H	D3C708F662AD9AF3