This is the ValueSet that contains all the codes in BR Terminologia Medicamento (https://terminologia.saude.gov.br/fhir/ValueSet/BRTerminologiaMedicamento) and BR Terminologia Medicamento (https://terminologia.saude.gov.br/fhir/ValueSet/BRTerminologiaMedicamento). E.g. what you have to deal with if you get resources containing codes in either of them