PYRIDINE DERIVATIVES
Pyridine derivatives represented by the following general formula$(4,)$ wherein R?1, R?2, R?3, and R?4, which may the same or different, each represents a hydrogen atom or a lower alkyl group, or R?1 and R?2, or R?3 and R?4, are taken together to form a hetero ring together with the adjacent nitroge...
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Main Authors | , , , |
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Format | Patent |
Language | English Japanese |
Published |
24.06.1982
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Subjects | |
Online Access | Get full text |
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