InChI=1/C18H17N3O4S2/c1-25-14-7-8-16-15(11-14)20(9-10-26-2)18(27-16)19-17(22)12-3-5-13(6-4-12)21(23)24/h3-8,11H,9-10H2,1-2H3 7669B9AF4694CD46