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。
2939.42
Alkaloids; of ephedrine and their derivatives; pseudoephedrine (INN) and its salts
AE 293942
AR 293942
AU 29394200
AU 293942
BR 293942
BR 2939.42.00