sulfanilamide sulphanilamide sulfonamide antiobiotic molecule. one of the first antibiotics discovered.

acid aminobenzoic aniline antibacterial antibiotic antibiotics antimicrobial antiobiotic are atomic atoms bacteria bacterium blue bond carbon chemical chemistry chemotherapeutic coding color composition compound conventional discovered drug elixir first formula grey hydrogen medicine microbe model molecular molecule nitrogen one oxygen paba para red represented spheres structure sulfanilamide sulfonamide sulfur sulphanilamide therapy white yeast yellow