{HEAD ~ These hydroformylation catalysts} exhibit greater selectivity toward straight chained aldehydes and alcohols than anionic catalysts having {TAIL ~ a charge} of 1 or a neutral catalyst 
{ HEAD ~ These hydroformylation catalysts } exhibit greater selectivity toward straight chained aldehydes and alcohols than anionic catalysts having { TAIL ~ a charge } of 1 or a neutral catalyst
HEAD 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 OTH OTH OTH OTH OTH OTH