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