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。
2939.49
Alkaloids; of ephedrine and their derivatives; other than ephedrine, pseudoephedrine (INN), norephedrine, cathine (INN), levometamfetamine, metamfetamine (INN), metamefetamine racemate and their salts
AE 293949
AR 293949
AU 29394900
AU 293949
BR 293949
BR 2939.49.00