{TAIL ~ Straight or branched alkoxy groups} having {HEAD ~ from 1 to 6 carbon atoms} include, for example, methoxy, ethoxy, n propoxy, tert butoxy, and pentyloxy 
{ TAIL ~ Straight or branched alkoxy groups } having { HEAD ~ from 1 to 6 carbon atoms } include , for example , methoxy , ethoxy , n propoxy , tert butoxy , and pentyloxy
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH