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<img src='content_image/888749.jpg'>

<img src='content_image/888750.jpg'>

-continued 

Polymer 12 

Mw~7,800 

Mw/Mn~ 1.68 

Polymer 13 

Mw~7,300 

Mw/Mn~l.63 

<img src='content_image/888751.jpg'>

<img src='content_image/888752.jpg'>

Polymer 14 

Mw~7,300 

Mw/Mn~ 1.63 

