A、CH<sub>4sub> B、(CH<sub>3sub>)<sub>4sub>C C、(CH3)<sub>2sub>CHCH<sub>3sub> D、CH<sub>3sub>CH<sub>2sub>CH<sub>2sub>CH<sub>3sub>
A、CH<sub>4sub> B、(CH<sub>3sub>)<sub>4sub>C C、(CH3)<sub>2sub>CHCH<sub>3sub> D、CH<sub>3sub>CH<sub>2sub>CH<sub>2sub>CH<sub>3sub>
A、C<sub>6sub>H<sub>5sub>NHCH<sub>3sub>甲基苯胺 B、CH<sub>3sub>CH(CH<sub>3sub>)CH<sub>2sub>CH(CH<sub>3sub>)(NH<sub>2sub>)4-甲基-2-氨基戊烷 C、CH<sub>3sub>CH<sub>2sub>NH<sub>3sub>+Cl-乙胺盐酸盐 D、(CH<sub>3sub>)<sub>2sub>NH<sub>2sub>+OH-氢氧化二甲基胺
A、CO、H<sub>2sub>、CH<sub>4sub>、N<sub>2sub> B、Ar<sub>2sub>、CH<sub>4sub>、N<sub>2sub>、H<sub>2sub>、NH<sub>3sub> C、NH<sub>3sub>、CH<sub>4sub>、N<sub>2sub>、CO<sub>2sub> D、H<sub>2sub>O、N<sub>2sub>、H<sub>2sub>、CH<sub>4sub>
A、CH<sub>3sub>CH(CH<sub>3sub>)CH(Cl)CH<sub>3sub> B、(CH<sub>3sub>)<sub>3sub>CH(Cl)CH<sub>2sub>CH<sub>3sub> C、CH<sub>3sub>CH(Cl)CH<sub>2sub>CH<sub>3sub> D、CH<sub>3sub>CH<sub>2sub>CH(CH<sub>3sub>)CH<sub>2sub>Cl
A、NH<sub>3sub>>H<sub>2sub>O>CH<sub>4sub> B、H<sub>2sub>O>NH<sub>3sub>>CH<sub>4sub> C、H<sub>2sub>O>CH<sub>4sub>>NH<sub>3sub> D、CH<sub>4sub>>NH<sub>3sub>>H<sub>2sub>O
A、CH<sub>3sub>COCH<sub>2sub>CH<sub>3sub>,CH<sub>3sub>CHO,CF<sub>3sub>CHO,CH<sub>3sub>COCH=CH<sub>2sub> B、 CH<sub>3sub>CHO,CF<sub>3sub>CHO,CH<sub>3sub>COCH<sub>2sub>CH<sub>3sub>,CH<sub>3sub>COCH=CH<sub>2sub> C、 CF<sub>3sub>CHO,CH<sub>3sub>CHO,CH<sub>3sub>COCH=CH<sub>2sub>,CH<sub>3sub>COCH<sub>2sub>CH<sub>3sub> D、 CF<sub>3sub>CHO,CH<sub>3sub>COCH=CH<sub>2sub>,CH<sub>3sub>CHO,CH<sub>3sub>COCH<sub>2sub>CH<sub>3sub>
A、(CH<sub>3sub>)<sub>3sub>CCH<sub>2sub>Br B、CH<sub>3sub>CH(CH<sub>3sub>)CH(CH<sub>3sub>)CH<sub>2sub>Cl C、CH<sub>3sub>CH<sub>2sub>CH(Br)CH<sub>3sub> D、CH<sub>3sub>CH<sub>2sub>CH(CH<sub>3sub>)CH<sub>2sub>(Cl)
A、CH<sub>3sub>CH<sub>2sub>NH<sub>2sub> B、NH<sub>3sub> C、(CH<sub>3sub>CH<sub>2sub>)<sub>2sub>NH D、(CH<sub>3sub>)<sub>4sub>N+OH-