InChI=1/C19H15N3O4S/c1-12-9-17-20-14(10-18(23)22(17)26-12)11-27-15-6-4-13(5-7-15)21-19(24)16-3-2-8-25-16/h2-10H,11H2,1H3,(H,21,24)/f/h21H CEAE43BBF7569252