Keywords ofloxacin;ketotifen fumarate;ephedrine hydrochloride;ethylparaben;high-performance liquid chromatography;nasal sprays;

• 氧氟沙星;富马酸酮替芬;盐酸麻黄碱;羟苯乙酯;高效液相色谱法;鼻用喷雾剂;