标准品及相关杂质对照品供应信息如下:
盐酸氮卓斯汀,Azelastine HCl
盐酸氮卓斯汀杂质AAzelastine HCl Imp. A (EP): Benzoyldiazane (Benzohydrazide),包装100mg
盐酸氮卓斯汀杂质BAzelastine Hydrochloride Imp. B (EP) as Hydrochloride: 1-Benzoyl-2-[(4RS)-1-methylhexahydro-1H-azepin-4-yl]diazaneHydrochloride
盐酸氮卓斯汀杂质CAzelastine Hydrochloride Imp. C (EP): 2-[(4-Chlorophenyl)acetyl]benzoic Acid
盐酸氮卓斯汀杂质DAzelastine Hydrochloride Imp. D (EP): 4-(4-Chlorobenzyl)phthalazin-1(2H)-one
盐酸氮卓斯汀杂质EAzelastine Hydrochloride Imp. E (EP) Z-Isomer: (Z)-3-(4-Chlorobenzylidene)-isobenzofuran-1(3H)-one |
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