InChI=1S/C18H17ClN4O3S2/c19-17-2-1-15(27-17)4-8-28(25,26)23-7-6-22(18(24)12-23)11-14-9-13-10-20-5-3-16(13)21-14/h1-5,8-10,21H,6-7,11-12H2/b8-4+