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CCDC no.: 1001248 Source of materialThe crystal structure is shown in the gure, Tables 1-3 contain details of the measurement method and a list of the atoms including atomic coordinates and displacement parameters. 1 mmol (0.18 g) of ouren-9-on was dissolved in 10 ml ethanol. A 20 ml ethanol solution of 1 mmol (0.911 g) of thio-semicarbazide was added. The reaction mixture was stirred for 4 h under re ux forming a yellow precipitate. The precipitate was ltered, washed several times with ethanol and dried at room temperature. Single crystals suitable for

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