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。
2939.45
Alkaloids; of ephedrine and their derivatives; levometamfetamine, metamfetamine (INN), metamefetamine racemate and their salts
AU 29394500
BR 293945
CA 29394500
E2 2939450000
EU 29394500
GB 2939450000