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9-Deazaguanine65996-58-9100 % similar 7-Deazaguanine7355-55-756 % similar 9-Deazahypoxanthine5655-01-649 % similar 5H-Pyrrolo[3,2-D]pyrimidin-4-amine (9ci)2227-98-737 % similar 2,4-Dichloro-5H-pyrrolo[3,2-D]pyrimidine63200-54-437 % similar 5-Bromo-1H-benzimidazole-2-amine791595-74-934 % similar 2-Amino-6-chloro-5-nitro-3,4-dihydropyrimidin-4-one1007-99-433 % similar 2-Amino-6-phenylpyrimidin-4-ol56741-94-733 % similar 2-Amino-4,6-dihydroxy-5-nitropyrimidine80466-56-433 % similar 3-Amino-2-pyridinol59315-44-532 % similar 5-Bromo-4-azaindole1000341-51-431 % similar 4,7-Dihydroxy-1,10-phenanthroline3922-40-531 % similar 2-Amino-4-hydroxy-6-trifluoromethylpyrimidine1513-69-530 % similar 2-Amino-6-ethylpyrimidin-4-ol5734-66-730 % similar 7-Chloro-1H-pyrrolo[3,2-b]pyridine357263-48-030 % similar 4-Chloro-5H-pyrrolo[3,2-D] pyrimidine84905-80-630 % similar 5-Bromo-4,7-diazaindole875781-43-430 % similar