Anatomical Therapeutic Chemical (ATC) classification [BR:br08303]
R RESPIRATORY SYSTEM
R06 ANTIHISTAMINES FOR SYSTEMIC USE
R06A ANTIHISTAMINES FOR SYSTEMIC USE
R06AB Substituted alkylamines
R06AB54 Chlorphenamine, combinations
D04323 dl-Methylephedrine hydrochloride, noscapine and chlorpheniramine maleate