焦炉气成分(煤干馏):H2、CH4、乙烯、CO等
葡萄糖:C6H12O6
果糖:C6H12O6
蔗糖:C12H22O11
麦芽糖:C12H22O11
淀粉:(C6H10O5)n
硬脂酸:C17H35COOH
油酸:C17H35COOH
软脂酸:C15H31COOH
氟氯烃:是良好的制冷剂,有毒,但破坏O3层
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