在质谱图中,CH2Cl2的M:(M+2):(M+4)的比值约为()。A、1:2:1B、1:3:1C、9:6:1D、3:1:3
在质谱图中,CH2Cl2的M:(M+2):(M+4)的比值约为()。
- A、1:2:1
- B、1:3:1
- C、9:6:1
- D、3:1:3
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