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GB671763A
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Cyanopyridine, pyridine carboxamide and cyanopyridine carboxamide compounds and process of producing the same
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GB625931A
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Improvements in derivatives of 2-amino pyrimidine and its nuclear substitution products and processes for producing the same
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GB629471A
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Improvements in or relating to the manufacture of a new 2-tertiaryamino pyrimidine
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GB625327A
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Improvements in process of preparing new amino substituted 2-alkyloxy-5-aminopyridines
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GB625429A
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Improvements in phthalamidic acid compounds of pyridine and its salts
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GB626062A
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Improvements in process of preparing amino substituted 2-alkyloxy- or 2-aryloxy-5-aminopyridine
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US2426012A
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Glucosidamino compounds of alkoxy pyridine
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US2426011A
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Glucose bisulfite compounds of alkoxy amino pyridine
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US2477731A
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Substituted aminopyridineethylidene sulfonates
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US2472292A
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Benzylideneamino compounds of pyridine
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US2433267A
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Pyridine compounds
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US2458585A
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Aminopyridine compounds
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US2458584A
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Methylene sulfonate derivatives of alkyl compounds and aryl compounds
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GB602882A
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Improvements in processes for the sulfonation of heterocyclic compounds
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GB572835A
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Processes for the production of pyridine-3-sulfonic acid and its salts
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US2406972A
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Processes for production of pyridine 3-sulphonic acid and its salts
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GB563184A
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Improvements in processes for preparing nicotinic acid amide
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GB565647A
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Processes for the production of 3-cyanopyridine
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US2194567A
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Esters of aminopyridine carboxylic acid and processes for producing the same
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US2199839A
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Esters of 6-amino-nicotinic acid
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