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US5496943A Heterocyclic compounds and their production 失效
杂环化合物及其生产

Heterocyclic compounds and their production
摘要:
Disclosed is a novel heterocyclic compound selected from the group consisting of the compounds [IV] to [VII], [IX] and [X]. The heterocyclic compound is useful for reactive materials in chemical industry. A process for producing the heterocyclic compound is also disclosed.
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