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2-((tert-Butoxycarbonyl)amino)-6-chloronicotinic acid: BD7667031224194-44-897%; ￥5802.05g

6-Chloro-5-(ethoxycarbonyl)nicotinic acid: BD011803151491150-55-097%; ￥5799.01g

6-Chloronicotinic acid: BD84475326-23-898%; ￥867.01kg

6-Chloro-2-(difluoromethoxy)nicotinic acid: BD007560931807242-68-795%; ￥535.01g

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