{HEAD ~ The acid function} may also be converted to an alcohol, aldehyde or ketone or derivatives thereof, or may be reduced to {TAIL ~ CH3} 
reduced to
{ HEAD ~ The acid function } may also be converted to an alcohol , aldehyde or ketone or derivatives thereof , or may be reduced to { TAIL ~ CH3 }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL