cremomerazine kelamerazine mebacid mesulfa methylpyrimal methylsulfazin methylsulfazine metilsulfadiazin metilsulfazin nsulfanilamide percoccide pyralcid pyrimal m romezin septacil septosyl solfamerazina solumedin solumedine sulfameradine sulfamerazin sulfamerazina sulfamerazine sulfamerazinum sulfamethyldiazine sulphamerazine sumedine susfamerazine