The injection port temperature was 230 °C. The mass spectrometerwas
operated in the electron ionizationmode at 70 eV, a source temperature
of 230 °C, quadrupole at 150 °C in the scan range from 20 u to 500 u.
Data were recorded through a G1701BA chemical workstation system
processing. Identification of unknown compounds was achieved by
matching with data from the Wiley Spectral library and the NIST98
library. The quantity of each compound was determined using the
area normalization method