比较 HS 编码
输入最多 5 个 HS-6 编码（逗号分隔），并排比较说明与各国对应编码。
2922.21
Amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function; their ethers and esters; salts thereof, aminohydroxynaphthalenesulphonic acids and their salts
AE 292221
AR 292221
AU 29222100
AU 292221
BR 292221
BR 2922.21.00