Robuta

https://www.semanticscholar.org/topic/Dextromethorphan-Hydrobromide-2-MG-ML-Guaifenesin/7382805
dextromethorphan hydrobromidemgmlguaifenesinoral
https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=f6657dee-9f32-45b1-8e44-1ad67a4a68bd
dextromethorphan hydrobromidedailymedcareonechest
https://www.semanticscholar.org/topic/Dextromethorphan-Hydrobromide-2-MG-ML-Guaifenesin/12377466
dextromethorphan hydrobromidemgmlguaifenesinoral