{TAIL ~ Examples} of {HEAD ~ branched alkyl groups} include, but are not limited to, isopropyl, sec butyl, t butyl, neopentyl, and isopentyl groups 
{ TAIL ~ Examples } of { HEAD ~ branched alkyl groups } include , but are not limited to , isopropyl , sec butyl , t butyl , neopentyl , and isopentyl groups
TAIL TAIL TAIL TAIL TAIL OTH 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 OTH OTH OTH