GC Conditions: Column:DB 1(100% polydimethylsiloxane), Length: 30 m I.D.: 0.25 mm Film: 1.0 μm; Injection temp.: 250 °CDetector(FID) temp.: 275 °C; Column Temp.:120 °C initial, programmed at 10 °C/min. to 250 °C, hold for 15 min.; Sample: 0.2 μl in DCMExp. Date: 1/18/2023