It is further theorized that the 3 propyl analog of {TAIL ~ 4 HPTTNPB} will not bind to the RAR protein for {HEAD ~ the same reason} 
It is further theorized that the 3 propyl analog of { TAIL ~ 4 HPTTNPB } will not bind to the RAR protein for { HEAD ~ the same reason }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD