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。
2939.43
Alkaloids; of ephedrine and their derivatives; cathine (INN) and its salts
US 293943
US 2939.43.00.00
AE 293943
AR 293943
AU 293943
BR 293943