preferred_name: {1 (acetaminophen 21.7 MG/ML / dextromethorphan hydrobromide 0.667 MG/ML / doxylamine succinate 0.417 MG/ML / phenylephrine hydrochloride 0.333 MG/ML Oral Solution) / 1 (acetaminophen 21.7 MG/ML / dextromethorphan hydrobromide 0.667 MG/ML / guaifenesin 13.3 MG/ML / phenylephrine hydrochloride 0.333 MG/ML Oral Solution) } Pack