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Taoka Chemical Co Ltd
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Taoka Chemical Co Ltd
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Application filed by Taoka Chemical Co LtdfiledCriticalTaoka Chemical Co Ltd
Priority to JP16949488ApriorityCriticalpatent/JPS6426687A/ja
Publication of JPS6426687ApublicationCriticalpatent/JPS6426687A/ja
Publication of JPH0142982B2publicationCriticalpatent/JPH0142982B2/ja
Process for the preparation of intermediates namely 3,5-dimethyl-4-methoxypyridine-n-oxide and 2,3,5-trimethyl-4-methoxypyridine-n-oxide useful for the preparation of omeprazole