actilin actiline antibiotique bycomycin enterfram fradiomycin fradiomycinum framicetina framidal framycetine framycetinum framycin framygen francetin jernadex myacyne mycerin mycifradin neobrettin neolate neomas neomcin neomicina neomin neomycine neomycinum nivemycin soframycin soframycine