synthesis of blood group abh ( type 1 ) determinant oligosaccharides and leb tetrasaccharide has been performed using the same trisaccharide precursor-benzyl 2-acetamido-4,6-o-benzylidene- [ 4,6-o-benzylidene-2-o- [ 2-o-benzyl-3,4-di- o- ( 4-nitrobenzoyl ) -alpha-l-fucopyranosyl ] -beta-d-galactopyranosyl ] -2-deoxy - alpha-d-glucopyranoside .
C0028959
oligosaccharides
C0041102
trisaccharide