InChI=1S/C18H21N3O5S2/c1-18(2)16(17(22)20-23)21(11-12-27-18)28(24,25)15-5-3-13(4-6-15)26-14-7-9-19-10-8-14/h3-10,16,23H,11-12H2,1-2H3,(H,20,22)/t16-/m0/s1