InChI=1/C18H15N5O2S/c1-26-17-21-14(13-8-5-9-25-13)15-16(22-17)23(11-20-15)18(24)19-10-12-6-3-2-4-7-12/h2-9,11H,10H2,1H3,(H,19,24)/f/h19H 4C438D10F43C3928