InChI=1/C21H13NO6S/c23-15-10-17(13-4-2-1-3-5-13)28-16-7-6-12(8-14(15)16)9-18-20(26)22(11-19(24)25)21(27)29-18/h1-10H,11H2,(H,24,25)/p-1/b18-9-/fC21H12NO6S/q-1 F73DB99996E91D84