InChI=1/C18H17N5O2S/c19-23-11-15(13-7-3-1-4-8-13)20-18(23)26-12-16(24)21-22-17(25)14-9-5-2-6-10-14/h1-11H,12,19H2,(H,21,24)(H,22,25)/f/h21-22H 7AC3BB4024C7C99A