InChI=1/C21H17N5O2S/c22-21(23)26-29(27,28)15-11-9-14(10-12-15)24-13-18-16-5-1-3-7-19(16)25-20-8-4-2-6-17(18)20/h1-13H,(H4,22,23,26)/f/h22-23H2 A75AEC2D2E392DE1