9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (RS-Ofloxacin Carboxylic Acid) 97 % 82419-35-0 C₁₃H₉F₂NO₄ 281.21 g./mol ฿660.00 View