InChI=1/C17H19BrN4O2S/c18-16-7-3-2-6-14(16)12-20-21-17-9-8-15(13-19-17)25(23,24)22-10-4-1-5-11-22/h2-3,6-9,12-13H,1,4-5,10-11H2,(H,19,21)/b20-12+/f/h21H 693196CB04FC600B