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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Yamanouchi Pharmaceutical Co Ltd
Original Assignee
Yamanouchi Pharmaceutical Co Ltd
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Filing date
Publication date
Application filed by Yamanouchi Pharmaceutical Co LtdfiledCriticalYamanouchi Pharmaceutical Co Ltd
Priority to JP27076ApriorityCriticalpatent/JPS5283699A/en
Publication of JPS5283699ApublicationCriticalpatent/JPS5283699A/en
PURPOSE: Pteridine derivative I(R1 and R2 are H, halogen, lower alkyl, lower alkoxy, lower alkylthio, lower alkylsulfonyl, nitro, trifluoromethyl; R is H or lower alkyl), e.g. 2-oxo-4-phenyl-1H-pteridine.