{HEAD ~ Compounds} containing any combination of substituents or members of the Markush groups specified above are within the scope of {TAIL ~ the invention} 
{ HEAD ~ Compounds } containing any combination of substituents or members of the Markush groups specified above are within the scope of { TAIL ~ the invention }
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL