CH3CH2CH2CHCH2CH3CH(CH 3)21-丁烯-3-炔HCCCC3H7-nCCHCH2C3H7-n1234563,4-二丙基-1,3-己二烯-5-炔C2H5CH312341231-甲基-3-乙基环己烷1,1...