Characterization and quantitation of aprepitant drug substance polymorphs by attenuated total reflectance fourier transform infrared spectroscopy - Chen, Yadan W.; Crocker, Louis; Helmy, Roy.; Vailaya, Anant; Wang, Tao.; Wenslow, Robert M., Jr.; Zhou, George X.
Keywords: Antagonist; Antiemetic; Crystal form; Dosage form; Impurity; Infrared spectrometry; Neuropeptide; Peptide hormone