InChI=1/C18H15N5O3S/c1-23-16(25)11-4-2-3-5-12(11)22-18(23)27-9-15(24)19-10-6-7-13-14(8-10)21-17(26)20-13/h2-8H,9H2,1H3,(H,19,24)(H2,20,21,26)/f/h19-21H 4B401BE6F4E13EA2