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Application filed by Cassella Farbwerke Mainkur AgfiledCriticalCassella Farbwerke Mainkur Ag
Publication of ZA904998BpublicationCriticalpatent/ZA904998B/en
C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings