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Priority claimed from US06/217,640external-prioritypatent/US4444784A/en
Application filed by Merck & Co IncfiledCriticalMerck & Co Inc
Publication of ECSP941119ApublicationCriticalpatent/ECSP941119A/en
Un procedimiento para la preparación de un compuesto de fórmula estructural (gráfico), donde 30 R´es H o CH3; (fórmula).A procedure for the preparation of a compound of structural formula (graph), where 30 R´ is H or CH3; (formula).