propene propylene molecule polypropylene polyprene building block material skeletal formula |
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| navigate by keyword : propene propylene molecule polypropylene polyprene building block material skeletal formula methylethylene alkene hydrocarbon synthetic synthesis carbon hydrogen atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon |
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| Propene propylene molecule. Polypropylene PP, polyprene building block material. Skeletal formula |
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