InChI=1/C21H15N3O2S/c25-17-11-5-4-8-15(17)14-18-20(26)24(16-9-2-1-3-10-16)21(27-18)23-19-12-6-7-13-22-19/h1-14,25H/b18-14-,23-21? B9CAACC6DA34B60F