NERSITY O 烷基:从烷烃中去掉一个氢原子后余下的原子团。 通式:CnH2n+1-,或R一。 CH CH3 Me(methyl) CH3 CH CH3CH 12 Et(ethyl) CH3CH2CH3 CHaCH, CH2(n-C3H)n-Pr(n-propyl CH3 CHCH3 (isoEvi-C3H3-),i-Pr CH3CH CH2CH CH3CH2CH2CH2(n-C4Hg)n-Bu CH3CH2CHCH3(secois-C4H9-), $-Bu CH3 CHCH3 CH3CHCH21s0或C4H9iBu CH3 CH 3 CH3CCH ert或t-C4 Hg t-Bu CH烷基：从烷烃中去掉一个氢原子后余下的原子团。 通式：CnH2n+1－，或R－。 CH4 CH3 Me(methyl) CH3CH3 CH3CH2 Et(ethyl) CH3CH2CH3 CH3CH2CH2 (n-C3H7 ) n-Pr(n-propyl) CH3CHCH3 (iso或i-C3H3-),i-Pr CH3CH2CH2CH3 CH3CH2CH2CH2 (n-C4H9 ) n-Bu CH3CH2CHCH3 (sec或s-C4H9-),s-Bu CH3CHCH3 CH3 CH3CHCH2 CH3 CH3CCH3 CH3 iso或i-C4H9 i-Bu tert或t-C4H9 t-Bu