质荷比(m/z)

相对丰度(%)

断裂规律

312

4.24

[M-H]

284

16.67

[M-H-C2H4]

266

8.10

[M-H-C2H6O]

256

12.79

[M-H-C4H8]

166

35.46

[M-H-C6H3Cl2]

138

100.00

[M-H-C6H3Cl2- C2H4]