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(R)-7,8-Difluorochroman-4-amine hydrochloride: BD2158801266231-84-895+%; ￥8146.01g

8-Fluorochroman-4-amine hydrochloride: BD32451191608-18-197%; ￥1144.01g

7,8-Difluorochroman-4-amine: BD162594886762-83-095%; ￥578.0250mg

(R)-8-Fluorochroman-4-amine hydrochloride: BD215886730980-49-195%; ￥1198.0250mg

(R)-7,8-Difluorochroman-4-amine: BD1624841213550-52-795%; ￥1863.01g

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