英文别名(S)-Azelastine N-Oxide; 4-(4-Chlorobenzyl)-2-[(4S)-1-methyl-1-oxido-4-azepanyl]-1(2H)-phthalazinone; 4-[(4-chlorophenyl)methyl]-2-[(4S)-1-methyl-1-oxidoazepan-1-ium-4-yl]phthalazin-1-one; Azelastine N-Oxide, (S)-; USP Related Compound F (S)-isomer ((S)-Azelastine N-Oxide); (4S)-4-(4-(4-chlorobenzyl)-1-oxophthalazin-2(1H)-yl)-1-methylazepane 1-oxide; 1(2H)-Phthalazinone, 4-[(4-chlorophenyl)methyl]-2-[(4S)-hexahydro-1-methyl-1-oxido-1H-azepin-4-yl]-; 4-[(4-Chlorophenyl)methyl]-2-[(4S)-hexahydro-1-methyl-1-oxido-1H-azepin-4-yl]-1(2H)-phthalazinone; Azelastine Impurity 10(Mixture of Diastereomers); Azelastine N-Oxide B; (S)-Azelastine USP Related Compound F 
