As used herein {TAIL ~ the term “aralkyl}” refers to {HEAD ~ a group} —RbRa, where Rb is an alkylene and Ra is aryl, as each herein is defined 
As used herein { TAIL ~ the term “ aralkyl } ” refers to { HEAD ~ a group } — RbRa , where Rb is an alkylene and Ra is aryl , as each herein is defined
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH