InChI=1/C13H15NO4S2/c1-13(2,3)12(15)18-9-4-5-10-8(6-9)7-11(19-10)20(14,16)17/h4-7H,1-3H3,(H2,14,16,17)/f/h14H2 ACE8B4336B3DC8B1