rifampicin molecule, structural chemical formula, ball-and-stick model, image ansamycin antibiotic

rifampicin ansamycin antibiotic rifampin molecule molecular structure chemical formula isolated model c43h58n4o12 atom chemistry medicine illustration oxygen science carbon atomic hydrogen nitrogen material skeletal bacterium drug shape healthcare icon pattern composition compound infection resistance antibacterial line microbe microorganism resistant flat mycobacterium rna tuberculosis structural ball- -stick image ball- -stick antibiotic