{HEAD ~ The method} 1, wherein linear or branched substituted or unsubstituted alkyl is {TAIL ~ C1 C6 alkyl} 
{ HEAD ~ The method } 1 , wherein linear or branched substituted or unsubstituted alkyl is { TAIL ~ C1 C6 alkyl }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL