| 2,4-diphenylpyridine | 
  | 
26274-35-1  | 
C17H13N | 
| 4-methyl-2,5-diphenylpyridine | 
  | 
156021-08-8 | 
C18H15N | 
| 1-methyl-4-phenylpyridinium iodide | 
  | 
36913-39-0 | 
C12H12NI | 
| 4,4'-bipyridine | 
  | 
553-26-4 | 
C10H8N2 | 
| Diquat | 
  | 
85-00-7 | 
C12H12N2.2Br; C12H12Br2N2 | 
| 2,2'-bipyridine | 
  | 
366-18-7 | 
C10H8N2 | 
| 2-aminopyrazine | 
  | 
5049-61-6 | 
C4H5N3 | 
| 5-bromo-2-aminopyrazine | 
  | 
59489-71-3 | 
C4H4BrN3 | 
| 2-bromo-5-chloropyrazine | 
  | 
912773-21-8 | 
C4H2BrClN2 | 
| 2-bromo-5-fluoropyrazine | 
  | 
1209459-10-8 | 
C4H2BrFN2 | 
| 5-bromo-2-hydroxypyrazine | 
  | 
374063-92-0 | 
C4H3BrN2O | 
| 5-bromo-2-ethoxypyridine | 
  | 
55849-30-4 | 
 C7H8BrNO | 
| 2-amine-5-methylpyridine | 
  | 
1603-41-4 | 
C6H8N2 | 
| 2-methyl-5-aminepyridine | 
  | 
3430-14-6 | 
C6H8N2 | 
| 6-chloronicotinaldehyde | 
  | 
23100-12-1 | 
 C6H4ClNO | 
| 4-chloropicolinonitrile | 
  | 
19235-89-3 | 
C6H3ClN2 |