Purity Conditions: Column: DB-1(100%-polydimethylsiloxane); Lenth: 30 m; I.D.: 0.25 mm;Film: 1.0 µl; Injection temp.: 250 °C; Detector temp.: 275 °C; Column Temp.120 °C initial, programmed at 10 °C/min. to 250 °C hold for 15min. Sample: 0.2 µl in DMF.