InChI=1/C18H14N4O2S/c19-16(25)12-6-8-13(9-7-12)17(23)21-22-18(24)14-5-1-3-11-4-2-10-20-15(11)14/h1-10H,(H2,19,25)(H,21,23)(H,22,24)/f/h21-22H,19H2 4E741BFC0443B3C7