InChI=1/C13H9ClN4O5S/c14-8-3-1-2-4-9(8)15-13-16-12-10(19)5-7(18(20)21)6-11(12)24(22,23)17-13/h1-6,19H,(H2,15,16,17)/f/h15-16H 17D73E1E6D20C9F9