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。
2933.34
Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other fentanyls and their derivatives
AU 29333400
BR 2933.34.00
CA 29333400
E2 2933340000
EU 29333400
GB 2933340000