 2,4-Dichloro-5H-pyrrolo[3,2-d]pyrimidine | 2-Amino-1,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one | 2-chloro-1,5-dihydropyrrolo[3,2-d]pyrimidin-4-one | 2,7-Dichloro-thiazolo[5,4-d]pyrimidine |
| 7-Chloro-thiazolo[5,4-d]pyrimidine-2-thiol | 5,7-Dichloro-thiazolo[5,4-d]pyrimidine | 2-Chloro-thieno[2,3-c]pyridine | 5-Chloro-thiophene-2-carbaldehyde |
| Thieno[3,2-c]pyridine-2-carboxaldehyde | Thieno[3,2-c]pyridine | Thieno[2,3-b]pyridine | Thieno[2,3-b]pyridin-4(7H)-one |
| 4-CHLORO-THIENO[2,3-B]PYRIDINE | 3-Amino-thieno[3,2-b]pyridine-6-carbonitrile | Thieno[3,2-b]pyridin-6-amine | Thiophen-3-ylamine |
| Thieno[3,2-b]pyridin-7-ol | 6-Nitro-thieno[3,2-b]pyridin-7-ol | 7-Chloro-6-nitro-thieno[3,2-b]pyridine | 2-Iodothieno[3,2-b]pyridine |
| 7-Hydroxy-thieno[3,2-b]pyridin-5(4H)-one | 2-Chloro-thieno[3,2-b]pyridin-3-amine | 3-Nitro-thieno[3,2-b]pyridine | Thieno[3,2-b]pyridine |
| Thiophen-2-ylamine | 7-Chloro-thieno[3,2-b]pyridine | 4,5,6,7-Tetrafluoro-1H-benzotriazole | 3,4,5,6-tetrafluorobenzene-1,2-diaMine |
| Isoxazolo[5,4-b]pyridin-3(2H)-one | 2-Hydroxy-nicotinic acid methyl ester | Methyl 2-oxo-1,2-dihydro-3-pyridinecarboxylate | 6-Bromo-2-methyl-oxazolo[5,4-b]pyridine |
| 5-Bromo-3-nitro-pyridin-2-ol | 3-Amino-5-bromo-pyridin-2-ol | 7-Chloro-thiazolo[4,5-c]pyridine-2(3H)-thione | 3-Chloro-5-nitro-pyridin-4-ol |
| 3,4-Dichloro-5-nitro-pyridine | 4,5-Dichloro-pyridin-3-ylamine | 1,2,3-Benzothiadiazole-6-carboxylic acid | 2-Amino-benzothiazole-6-carboxylic acid |
| 5,6-Difluoro-2,1,3-benzoxadiazole 1-oxide | 2-Bromo-imidazo[2,1-b]thiazole-6-carboxylic acid | Ethyl 2-bromoimidazo[2,1-b]thiazole-6-carboxylate | 2-[2,6-dichlorophenyl]-4-Bromo-2H-imidazo[4,5-c]pyridine |
| 2-Bromo-3-nitro-pyridin-4-ylamine | 2-Bromo-pyridine-3,4-diamine | 4-bromo-2-(2,4,6-trichlorophenyl)-2H-imidazo[4,5-c]pyridine | 6-Bromo-2-(2,6-dichloro-phenyl)-3H-imidazo[4,5-c]pyridine |
| 6-Bromo-pyridine-3,4-diamine | 5-Bromo-2-iodo-3-pyridinamine | 5-Bromo-2-iodo-3-nitro-pyridine | 5-Bromo-4-chloro-3-pyridinecarbonitrile |
| 6-Bromo-4-methoxy-2-pyridinamine | 5-Bromo-3,6-dimethyl-2(1H)-pyridinone | 1-(2-Bromo-5-fluoro-4-pyridinyl)-ethanone | 4-Hydroxy-3-iodo-2(1H)-pyridinone |
| 5-Chloro-3-nitropyridine-2-carboxaldehyde | 5-Chloro-2-methyl-3-nitro-pyridine | 6-Bromo-2,4-dimethyl-3-pyridinol | 4,6-dimethyl-5-nitro-2(1H)-Pyridinone |
| 6-Bromo-2,4-dimethyl-3-nitro-pyridine | 6-Bromo-2,4-dimethyl-pyridin-3-ylamine | 6-bromo-3-fluoro-2-pyridinecarboxylic acid | 6-Bromo-3-fluoro-2-methyl-pyridine |
| 5-Chloro-3-fluoro-2-nitropyridine | 5-Chloro-3-fluoro-pyridin-2-ylamine | 6-Chloro-4-iodo-3-pyridinecarbonitrile | 2,3,5-Trifluoro-4-iodopyridine |
| 3-Amino-6-bromo-2-pyridinecarboxylic acid | 3-Amino-6-bromo-pyridine-2-carboxylic acid methyl ester | 4-Bromo-6-methyl-2-nitro-3-pyridinol | 6-Methyl-2-nitro-pyridin-3-ol |
| 4,5-Bis(methyloxy)-2-pyridinamine HCl | 5-Bromo-4-chloro-pyridin-2-ylamine | 3-Bromo-5-fluoro-4-pyridinecarboxylic acid | 3-Iodo-5-methyl-4-pyridinol |
| 5-Iodo-4-methyl-2(1H)-pyridinone | 5-Iodo-4-methyl-pyridin-2-ylamine | 2-Chloro-5-fluoro-1,6-dihydro-6-oxo-3-pyridinecarboxylic acid | 4-Amino-2,6-dichloro-3-pyridinecarboxylic acid |
| 2-Chloro-3-methyl-4-(trifluoromethyl)pyridine | 6-Bromo-3-methoxy-2-nitro-pyridine | 1-(5-Bromo-2-chloropyridin-3-yl) ethanone | 5-Bromo-2-hydroxy-nicotinic acid |
| 5-Bromo-2-chloro-nicotinic acid | 6-Fluoro-5-iodo-2(1H)-pyridinone | 6-Fluoro-5-iodo-pyridin-2-ylamine | 2,3,6-Trichloro-4-pyridinamine |
| 4-Bromo-6-methyl-2(1H)-pyridinone | 2,4-Dibromo-6-methyl-pyridine | 4-Bromo-6-methyl-pyridin-2-ylamine | 4,6-Dichloro-5-cyano-2-pyridinecarboxylic acid |
| 2,4-Dihydroxy-6-methyl-nicotinic acid ethyl ester | 2,4-Dihydroxy-6-methyl-nicotinamide | 2,4-Dichloro-6-methyl-nicotinonitrile | 5-Carbamoyl-4,6-dichloro-pyridine-2-carboxylic acid |
| 4-Chloro-5-fluoro-3-pyridinecarboxylic acid | 4-Chloro-3-methyl-5-nitro-pyridine | 3-Methyl-5-nitro-pyridin-4-ol | 6-Bromo-2(1H)-pyridinethione |
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