InChI=1/C18H20N2O5S2/c1-4-5-6-12-25-14-7-9-15(10-8-14)27(23,24)20-11-13-26-18(2,3)16(20)17(21)19-22/h1,7-10,16,22H,11-13H2,2-3H3,(H,19,21)/t16-/m0/s1/f/h19H 381C989E18B1C966