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