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羟基安定杂质 Temazepam [Controlled Substance] 羟基安定杂质A Imp. A (EP): [5-Chloro-2-(methylamino)- phenyl]phenylmethanone(5-Chloro-2-(methylamino)benzophenone) 羟基安定杂质B Imp. B (EP): Oxazepam [Controlled Substance] 本公司快╳速优势供应进口杂质对照品,货期短,价格优惠,欢迎咨询。