201
isopren - isopren | Isopren c cng thc cu to l
4.9
₫201,221
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IDR:969
3+
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Item description
isopren Isopren có công thức cấu tạo là A. CH2=CH–CH=CH2. B. CH2=C=CH2. C. CH2=C=CH – CH3. D. CH2=C(CH3)-CH=CH2.
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