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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Publication date
Application filed by IG Farbenindustrie AGfiledCriticalIG Farbenindustrie AG
Application grantedgrantedCritical
Publication of FR52239EpublicationCriticalpatent/FR52239E/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)
FR52239D1942-08-061942-08-06Procédé pour la production de produits de condensation
ExpiredFR52239E
(fr)