HS 2933.53
Allobarbital , amobarbital , barbital , butalbital , butobarbital, cyclobarbital , methylphenobarbital , pentobarbital , phenobarbital , secbutabarbital , secobarbital and vinylbital; salts thereof
Heterocyclic compounds with nitrogen hetero-atom only · Organic chemicals
HS 2933.53
No US import shipments recorded under this HS code.