2901无环烃: Acyclic hydrocarbons: 退税率:29011000 饱和 Saturated 退税率:929012100 乙烯 Ethylene 退税率:929012200* 丙烯 Propene (propylene) 退税率:929012310 1-丁烯 1-Butene 退税率:929012320 2-丁烯 2-Butene 退税率:929012330 2-甲基丙烯 2-methyl propylene 退税率:929012410 1,3-丁二烯 Buta-1,3-diene 退税率:929012420 异戊二烯 isoprene 退税率:929012910 异戊烯 Isopentene 退税率:929012920 乙炔 Acetylene 退税率:929012990 其他 Other 退税率:92901299010 诱虫烯 Muscalure 退税率:92901299090 其他不饱和无环烃 Other unsaturated acyclic hydrocarbons 退税率:92902 环烃: Cyclic hydrocarbons: 退税率:29021100 环已烷 Cyclohexane 退税率:929021910 蒎烯 Pinene 退税率:929021920 4-烷基-4'-烷基双环己烷 4-Alkyl-4'-alkylbicyclohexane 退税率:929021990 其他 Other 退税率:92902199011 1-甲基环丙烯 1-methyl cyclopropene 退税率:92902199012 d-柠檬烯 D-limonene 退税率:92902199090 其他环烷烃、环烯及环萜烯 Other cyclanes,cyclenes and cycloterpenes 退税率:929022000 苯