一断裂 BA艺一A=Z+B 十 R-CR=O CR'=O+·R 30 CH3(CH2)CH2NH2 M=157 44 2030405060708090100 m/z 23:12:52 23:12:52 α―断裂 B A Z A Z + B R CR' O CR' O + R 20 30 40 50 60 70 80 90 100 30 44 m/z CH3 (CH2 )9CH2NH2 M=157