Determination of (R)-timolol in (S)-timolol maleate active pharmaceutical ingredient: Validation of a new supercritical fluid chromatography method with an established normal phase liquid chromatography method
Keywords: کروماتوگرافی مایع فوق بحرانی; Supercritical fluid chromatography; Drug substance; R-timolol impurity limit test; Method validation; Timolol maleate