The Combined Nomenclature (CN), v1:2020
3004 20 00: Medicaments containing antibiotics, put up in measured doses "incl. those for transdermal administration" or in forms or packings for retail
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=9c320fe0-a022-4f6f-9b66-776ab8be79ca