five-membered heterocyclic compounds
五元杂环化合物(Five-Membered Heterocyclic Compounds) 六元杂环化合物 ( Six-Membered Heterocyclic Compounds ) 生物碱(Alkaloid) ..
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承接年产100吨至10万吨规模酒精全套装置、无水酒精装置、及五元杂环化合物配套玉米酒糟饲料全套装置。
Undertake an annual output of 1-100 tons a full set of device scale alcohol, anhydrous alcohol device, and a full set of matching devices feed corn distiller's grains.
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