29335300 - Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital (INN), cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), secbutabarbital (INN), secobarbital (INN), and vinylbital (INN); salts thereof HS Code and Indian Harmonised System Code.