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OECD International Trade
International Trade By Commodity Statistics (SITC Rev. 3)
5: Chemicals and related products, n.e.s.
51: Organic chemicals
513: Carboxylic acids, anhydrides, halides, per.; derivati.
513: Carboxylic acids, anhydrides, halides, per.; derivati.
5137: Monocarboxylic acids, anhydr., halid., per., derivati.
5138: Polycarboxylic acids, n.e.s., derivatives
5139: Carboxylic acids with additional oxygen function
513: Carboxylic acids, anhydrides, halides, per.; derivati.
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