InChI=1/C20H15N3O2S/c24-23(25)17-8-4-7-15(11-17)16-9-10-18-19(12-16)22(20(26)21-18)13-14-5-2-1-3-6-14/h1-12H,13H2,(H,21,26)/f/h21H 0C4E6BC3EBCE3F0E