2.支链烷烃 m/z=43 5-Methylpentadecane 3 169141 m/z=57 uaum CH3(CH2)3 CH:(CH2)9CH3 70 4 CH 60 50 6mz=85 57 85 m/z=71 m/z=99 113 M 10 C12M-15c16 8 C9 C10 0102030405060708090100110120130140150160170180190200210220230 页/页 页2.支链烷烃 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210220230 10 0 80 90 100 60 50 30 20 40 70 0 % OF BASE PEAK C3 m/z=43 C4 m/z=57 C5 m/z=71 C8 C6 m/z=85 m/z=99 C7 113 C9 C10 C12 M 15 C16 M 5-Methylpentadecane CH3(CH2)3 CH (CH2)9CH3 CH3 85 169 141 57