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Priority claimed from CH351873Aexternal-prioritypatent/CH575921A5/en
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Priority to AT565575ApriorityCriticalpatent/AT340405B/en
Publication of ATA565575ApublicationCriticalpatent/ATA565575A/en
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Publication of AT340405BpublicationCriticalpatent/AT340405B/en
METHOD FOR PRODUCING NEW 2-ACYL-4-OXO-PYRAZINO-ISOCHINOLINE DERIVATIVES, THEIR SALTS, QUARTAINE AMMONIUM SALTS AND THE OPTICAL ANTIPODES OF THESE COMPOUNDS