A.CH2=CHCH=CHCH2CH3 B.CH3CH=CHCH=CHCH3 C.CH3CH=CHCH2CH=CH2 D.CH2=CHCH2CH2CH=CH2
A.3,3-二溴-1-戊-4-炔 B.1,2-二溴-1,4-戊二烯 C.4,5-二溴-2-戊炔 D.1,5-二溴-1,3-戊二烯
A.乙醇 B.乙烯 C.2-丁炔 D.1-丁炔