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(S)-tert-Butyl (6-oxopiperidin-3-yl)carbamate: BD164571172913-96-197%; ￥565.01g

(R)-tert-Butyl (6-oxopiperidin-3-yl)carbamate: BD1646241228566-94-695%; ￥482.01g

tert-Butyl (6-oxopiperidin-3-yl)carbamate: BD2394441245646-80-395%; ￥1469.01g

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