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(S)-tert-Butyl 2-cyanomorpholine-4-carboxylate: BD1599571257856-31-795%; ￥707.01g

Morpholine-2-carbonitrile hydrochloride: BD2242821205751-07-097%; ￥1335.01g

tert-Butyl 2-cyanomorpholine-4-carboxylate: BD2337751211592-70-998%; ￥2487.05g

(R)-Morpholine-2-carbonitrile hydrochloride: BD4910801262409-78-897%; ￥5271.01g

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