InChI=1/C16H14N4O2S/c21-13-9-5-4-8-12(13)15-19-20-14(17-18-16(20)23-15)10-22-11-6-2-1-3-7-11/h1-9,15,19,21H,10H2/t15-/m1/s1 80DC4CB0CB5772E3