93204-36-5 
 
13435-12-6 
 
Benzoicacid(2R,3S,4R)-3,4-bis-benzyloxy-3,4-dihydro-2H-pyran-2-ylmethylester 
 
Benzoicacid(2R,3S,4R,5S,6S)-5-acetylamino-3,4-bis-benzyloxy-6-((R)-2-benzyloxycarbonylamino-2-methoxycarbonyl-ethoxy)-tetrahydro-pyran-2-ylmethylester 
[1]Liu,Jing;DiBussolo,Valeria;Gin,DavidY.[TetrahedronLetters,2003,vol.44,#21,p.4015-4018]