content_image/903251.jpg content_image/903250.jpg content_image/903254.jpg content_image/903252.jpg content_image/903253.jpg
<img src='content_image/903251.jpg'>

Basic compound: Quencher 1, Quencher 2 (shown by the following structural formulae) 

<img src='content_image/903250.jpg'>

<img src='content_image/903254.jpg'>

Water-repellent polymer 1 (shown by the following struc› tural formula) 

Molecular weight (Mw)=l0,100 

Dispersity (Mw/Mn)=l.51 

<img src='content_image/903252.jpg'>

<img src='content_image/903253.jpg'>

-continued 

