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tert-Butyl 3-bromoazetidine-1-carboxylate: BD2230571064194-10-097%; ￥200.05g

3-Bromoazetidine hydrobromide: BD00786612229496-83-795%; ￥2687.01g

3-Bromoazetidine hydrochloride: BD24758853913-82-998%; ￥213.01g

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