dextromethorphan / guaiacolsulfonate / guaifenesin / pyrilamine
dextromethorphan / guaiacolsulfonate / guaifenesin / pyrilamine
dextromethorphan / guaiacolsulfonate / guaiFENesin / pyrilamine
dextromethorphan / guaiacolsulfonate / guaifenesin / pyrilamine