(2R,5R,6R)-6-(4R)-4-(4-Hydroxyphenyl)-2,2-dimethyl-5-oxo-1-imidazolidinyl)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptan-2-carbonsaeure (2S,5R,6R)-6-((R)-(4-(p-Hydroxyphenyl)-2,2-dimethyl-5-oxo-1-imidazolidinyl)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid 53861-02-2 Oxetacillin Oxetacillin [INN] Oxetacilline Oxetacillinum