ES208242A1 - Procedure for the preparation of new derivatives of isonicotinic acid (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new derivatives of isonicotinic acid (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Priority to ES208242ApriorityCriticalpatent/ES208242A1/en
Publication of ES208242A1publicationCriticalpatent/ES208242A1/en
Process for the preparation of isonicotinic acid derivatives characterized in that isonicotinic acid hydrazides optionally substituted in the nucleus are reacted with formaldehyde or with a formaldehyde-giving compound. (Machine-translation by Google Translate, not legally binding)
ES208242A1953-03-061953-03-06Procedure for the preparation of new derivatives of isonicotinic acid (Machine-translation by Google Translate, not legally binding)
ExpiredES208242A1
(en)
A method of obtaining biologically active preparations of cyclopentan polyhydrophenontrenum (Machine-translation by Google Translate, not legally binding)