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