isoniazid molecule, structural chemical formula, ball-and-stick model, image isonicotinic acid hydrazide

isoniazid isonicotinic acid hydrazide antituberculosis agents molecule molecular structure chemical formula isolated model c6h7n3o atom bacterium chemistry medicine antibacterial antibiotic carbon oxygen atomic hydrogen illustration nitrogen inh isonicotinylhydrazine tuberculosis science skeletal infection resistance antimicrobial icon microbe microorganism resistant flat isoniazide mycobacterium compound healthcare structural ball- -stick image ball- -stick hydrazide