{HEAD ~ The compounds} may be administered in {TAIL ~ a form} suitable for immediate release or extended release 
{ HEAD ~ The compounds } may be administered in { TAIL ~ a form } suitable for immediate release or extended release
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH