苯并二氢吡喃羧酸 | 毕得医药

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Chroman-4-carboxylic acid: BD21917820426-80-695%; ￥2741.01g

Chroman-5-carboxylic acid: BD330826209256-64-495%; ￥3135.01g

Chroman-7-carboxylic acid: BD246066527681-33-095%; ￥2795.01g

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