InChI=1/C20H15N5O4S/c21-30(27,28)15-7-5-14(6-8-15)24-18-9-10-22-20(25-18)23-11-13-12-29-17-4-2-1-3-16(17)19(13)26/h1-12H,(H2,21,27,28)(H,22,24,25)/f/h24H,21H2 EFBD40CB34D686EC