{TAIL ~ This transformation} can be accomplished using {HEAD ~ standard methods} to effect carboxylic acid to carboxylic acid amide transformations 
{ TAIL ~ This transformation } can be accomplished using { HEAD ~ standard methods } to effect carboxylic acid to carboxylic acid amide transformations
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH