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CH3-CH-N-CH2-CH2-CH2-CH3 CH3CH3 86 10 44 0000400000 58 114 129(M） 29 0102030405060708090100110120130140 129(M ) 10 0 80 90 100 60 50 30 20 40 70 % OF BASE PEAK 0 10 20 30 40 50 60 70 80 90 100 110 86 114 44 29 120 130 140 58 CH N CH2 CH3 CH3 CH2 CH2 CH3 CH3