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