content_image/922816.jpg content_image/922817.jpg content_image/922819.jpg content_image/922822.jpg content_image/922821.jpg content_image/922820.jpg
<img src='content_image/922816.jpg'>

<img src='content_image/922817.jpg'>

[Chemical Formula 48] 

<img src='content_image/922819.jpg'>

-continued 

<img src='content_image/922822.jpg'>

<img src='content_image/922821.jpg'>

<img src='content_image/922820.jpg'>

-continued 

