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Toyama Chemical Co Ltd
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Toyama Chemical Co Ltd
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Publication date
Application filed by Toyama Chemical Co LtdfiledCriticalToyama Chemical Co Ltd
Priority to JP8005775ApriorityCriticalpatent/JPS525778A/en
Publication of JPS525778ApublicationCriticalpatent/JPS525778A/en
PURPOSE: N-substituted-1-oxo-1,2,3,4-tetrahydroisoquinoline derivatives of formula I (R1 is H, halogen, lower alkyl, lower alkoxy; R2 and R3 are H, lower alkyl; R4 is H, halogen, lower alkyl, lower alkoxy; R5 is H, lower alkyl; R6 is H, ester-forming group; n is 0W2) and salts thereof.