{HEAD ~ The invention} also relates to methods for their preparation, and to pharmaceutical compositions containing {TAIL ~ such compounds} 
{ HEAD ~ The invention } also relates to methods for their preparation , and to pharmaceutical compositions containing { TAIL ~ such compounds }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL