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2,3,5,6,8,9,11,12,14,15-Decahydrobenzo[b][1,4,7,10,13,16]hexaoxacyclooctadecine-18-carboxylic acid: BD6470460835-75-897%; ￥1975.01g

Dibenzo-24-crown-8: BD12415014174-09-598%; ￥572.05g

2,3,5,6,8,9,11,12-Octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine-15-carboxylic acid: BD4644456683-55-797%; ￥836.0100mg

Benzo-15-crown-5: BD11573414098-44-398%; ￥191.05g

Benzo-12-crown-4: BD11573314174-08-498%; ￥3665.010g

Di-(tert-butylbenzo)-18-crown-6: BD9187229471-17-898+%; ￥396.01g

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