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6-Mercapto-purine 

6-Furfuryl-adenine 

6-Chloro-purine-riboside 

6-Chloro-purine 

6-Chloro-guanosine 

6-Chloro-Guanine 

6-Benzyl-Adenine 

5-Fluoxydine 

5-Fluoro-5'-deoxy-Uridine 

5-Fluoro-2'-Deoxy-Uridine 

5-Fluoro-uridine 

4-(1,2-Benzisothiazol-3-yl)-1-Pi... 

2-Chloro-5-(trifluoromethyl)pyri... 

3-Pyridinecarboxaldehyde 

Nicotinaldehyde 

Pyridine-3-carboxaldehyde 

2-Pyridinecarboxaldehyde 

Picolinaldehyde 

2-Pyridinecarbaldehyde 

Pyridine-2-aldehyde 

4-Pyridinecarboxaldehyde 

Ramipril 

5-Aminosalicylic-acid 

2-Cyaniminothiazolidine 

2-Chloro-4-nitropyridine 

2-Chloro-5-nitropyridine 

Chloronitropyridine 

2-Chloro-3-cyanopyridine 

2-Chloronicotinonitrile 

3-Cyano-2-chloropyridine 

2,5-Dichloropyridine 

2-Nitro-5-bromopyridine 

2-Chloro-3-nitropyridine 

Benflumetol 

2,5-dibromopyridine 

Isonicotinaldehyde 

Pyridine-4-carboxaldehyde 

6-Methylpyridine-2-carboxaldehyd... 

Methyl-3-amino-2-pyrazinecarboxy... 

2-Amino-3-nitro-6-methoxypyridin... 

6-Fluorochromone-2-carboxylic-ac... 

Amiloride-hydrochloride-dihydrat... 

Enalapril-maleate 

4,6-Dichloropyrimidine 

2,7-Dichloro-9H-fluorene