1072952-43-2 
 
(2R,3R,4R,5R,6S)-5-acetamido-2-(acetoxymethyl)-6-(2-bromophenoxy)tetrahydro-2H-pyran-3,4-diyldiacetate 
 
(2R,3R,4R,5R,6S)-5-acetamido-2-(acetoxymethyl)-6-((5'-hydroxy-2'-methoxy-1,1'-biphenyl-2-yl)oxy)tetrahydro-2H-pyran-3,4-diyldiacetate