{HEAD ~ D glucose 1 phosphoric acid} as {TAIL ~ a saccharide donor} and 1 20% aqueous solutions containing acceptors 
as
{ HEAD ~ D glucose 1 phosphoric acid } as { TAIL ~ a saccharide donor } and 1 20 % aqueous solutions containing acceptors
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH