Structural formula CAS NO.
Ҷ   107-21-1  
״   67-56-1  
ϩ   71-43-2  
ױ   108-88-3  
ױ   1330-20-7  
  71-36-3  
  78-83-1  
ʴ   111-46-6  
PTA(Ա)   100-21-0  
ȼ   75-09-2  
ȼ   67-66-3  
  108-24-7  
ϩ   75-01-4