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Priority claimed from ES9302080Aexternal-prioritypatent/ES2069500B1/en
Application filed by Etilo DerivadosfiledCriticalEtilo Derivados
Publication of ZA945098BpublicationCriticalpatent/ZA945098B/en
IMPROVEMENTS INTRODUCED IN THE PURPOSE OF THE SPANISH PATENT N 9201983 FOR "PROCEDURE TO OBTAIN USEFUL BENZOXAZINES FOR THE SYNTHESIS OF OFLEXACINE, LEVOFLOXACIN AND DERIVATIVES.
Composition against endoparasites containing 3-hydroxy-benzo-thiophene- or 3-hydroxy-thienopyridine derivatives as active components and process for producing some of the active components