2,3-di-O-benzyl-4-O-acetyl-α-L-rhamnopyranosyl trichloroacetoimidate

allyl α-L-rhamnopyranosyl-(1->3)-2,4-di-O-benzoyl-α-L-rhamnopyranoside

allyl 2-O-benzoyl-4-O-benzyl-α-L-rhamnopyranoside