A、C<sub>nsub>H<sub>2n+2sub>O<sub>2sub> B、C<sub>nsub>H<sub>2nsub>O<sub>2sub> C、C<sub>nsub>H<sub>n+2sub>O<sub>2sub> D、C<sub>nsub>H<sub>2n+1sub>O<sub>2sub>
A、C<sub>nsub>H<sub>2n+2sub>O<sub>2sub> B、C<sub>nsub>H<sub>2nsub>O<sub>2sub> C、C<sub>nsub>H<sub>n+2sub>O<sub>2sub> D、C<sub>nsub>H<sub>2n+1sub>O<sub>2sub>
A、C<sub>nsub>H<sub>2nsub> B、C<sub>nsub>H<sub>2n-2sub> C、C<sub>nsub>H<sub>2n+2sub> D、C<sub>nsub>H<sub>nsub>
A、C<sub>nsub>H<sub>2nsub> B、C<sub>nsub>H<sub>2n-2sub> C、C<sub>nsub>H<sub>2n+2sub> D、C<sub>nsub>H<sub>nsub>
A、H(CH<sub>2sub>)<sub>nsub>X B、CH<sub>3sub>—[CH<sub>2sub>]<sub>nsub>—CH<sub>3sub> C、H-(CH<sub>2sub>)<sub>5sub>—X D、C<sub>nsub>H<sub>2sub><sub>nsub>
A、(CH<sub>3sub>)<sub>3sub>N B、(CH<sub>3sub>)<sub>3sub>CNH<sub>2sub> C、CH<sub>3sub>NHCH<sub>2sub>CH<sub>3sub> D、CH<sub>3sub>CH<sub>2sub>NH<sub>2sub>
A、CH<sub>3sub>-NH-CH<sub>2sub>CH<sub>3sub> B、(CH<sub>3sub>)<sub>3sub>N C、(CH<sub>3sub>)<sub>3sub>CNH<sub>2sub> D、CH<sub>3sub>NHC<sub>6sub>H
A、C<sub>msub>H<sub>2m+2sub> B、C<sub>msub>H<sub>2msub>F<sub>xsub>Cl<sub>ysub> C、C<sub>msub>H<sub>nsub>F<sub>xsub>Cl<sub>ysub> D、C<sub>msub>H<sub>nsub>F<sub>xsub>Cl<sub>ysub>Br<sub>zsub>