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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Application filed by F Hoffmann La Roche AGfiledCriticalF Hoffmann La Roche AG
Application grantedgrantedCritical
Publication of FR978642ApublicationCriticalpatent/FR978642A/fr
C07D475/00—Heterocyclic compounds containing pteridine ring systems
C07D475/02—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4
C07D475/04—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4 with a nitrogen atom directly attached in position 2
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR978642D1948-03-011949-01-03Procédé de préparation de l'acide folique
ExpiredFR978642A
(fr)