InChI=1/C15H14N4O3S/c1-9-2-7-13-12(8-9)14(15(20)17-13)19-18-10-3-5-11(6-4-10)23(16,21)22/h2-8,18H,1H3,(H2,16,21,22)(H,17,19,20)/f/h17H,16H2/b19-14- 54E9F3BD9D09CB9B