The compound 1 wherein {HEAD ~ a member} selected from Ra, {TAIL ~ Rb Re} and Rj is: 
selected from
The compound 1 wherein { HEAD ~ a member } selected from Ra , { TAIL ~ Rb Re } and Rj is :
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH