英文名称:(S)-Azelastine N-Oxide (Mixture Of Diastereomers); (S)-Azelastine Usp Related Compound F ((S)-Azelastine N-Oxide); 1(2H)-Phthalazinone, 4-[(4-Chlorophenyl)Methyl]-2-[(4S)-Hexahydro-1-Methyl-1-Oxido-1H-Azepin-4-Yl]-; Azelastine Impurity 10(Mixture Of Diastereomers); (S)-Azelastine N-Oxide (Mixture of DiastereoMers)