InChI=1/C12H8N4O4S3/c13-23(19,20)11-6-14-4-3-9(11)21-12-15-8-2-1-7(16(17)18)5-10(8)22-12/h1-6H,(H2,13,19,20)/f/h13H2 19EF66B27FA4E7F8