{HEAD ~ Pharmaceutical compositions} comprising {TAIL ~ the compounds} and combinations of the claimed compounds with other agents for treating cough, allergy or asthma symptoms are also disclosed 
{ HEAD ~ Pharmaceutical compositions } comprising { TAIL ~ the compounds } and combinations of the claimed compounds with other agents for treating cough , allergy or asthma symptoms are also disclosed
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH