CONFORMATION— THE STRUCTURE 



U 



• s00503cowo5w^^^;^o^5tctot^^to^o^o^otOl-'>-'l-'l-J^-'^-'l-l^->^-'l-• ^ .^. ^ 



I X iT 



3 • 





K3^ >^c:.»:2 

 p ~ 3 S £ 



oa« 



"O t» 



3 



ft) o 



3 

 so 



rt) 

 O 



