The improvement 1, wherein {HEAD ~ the pigment} is {TAIL ~ an isoindolinone pigment} 
is
The improvement 1 , wherein { HEAD ~ the pigment } is { TAIL ~ an isoindolinone pigment }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL