An object of the present invention is therefore to provide {HEAD ~ novel compounds} having an affinity for {TAIL ~ the lungs} 
An object of the present invention is therefore to provide { HEAD ~ novel compounds } having an affinity for { TAIL ~ the lungs }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL