29222 -Aminonaphthols and other aminophenols (excluding those containing more than one oxygen-containing group), their ethers and esters, and their salts: HS code chinese tariffs

29222 -Aminonaphthols and other aminophenols (excluding those containing more than one oxygen-containing group), their ethers and esters, and their salts: HS code chinese tariffs

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29222100 --Aminohydroxynaphthalene sulfonic acid and its salts --Aminohydroxynaphthalene sulfonic acid and its salts

292229 Other amino naphthols and other amino phenols and their ethers, esters, and salts Other amino naphthols and other amino phenols and their ethers, esters, and salts