InChI=1/C14H9N3O3S/c15-8-10(14(16)18)7-12-5-6-13(21-12)9-1-3-11(4-2-9)17(19)20/h1-7H,(H2,16,18)/b10-7+/f/h16H2 BE33B78580B3A2A0