InChI=1/C19H16N4O3S/c1-12-6-7-14(13-4-2-9-20-17(12)13)21-16(24)8-10-23-19(25)26-18(22-23)15-5-3-11-27-15/h2-7,9,11H,8,10H2,1H3,(H,21,24)/f/h21H 09A8E0540ED16D36