(2R,4aR,6S,7R,8S,8aR)-8-hydroxy-6-methoxy-2-phenyl-7-phenylcarbonyloxyperhydropyrano[3,2-d][1,3]dioxine

ethyl 6-O-benzyl-4-O-levulinoyl-2-deoxy-2-N-trichloroacetamido-thio-β-D-galactopyranoside

(2R,3R,4R,5R,6S)-4-((((9H-fluoren-9-yl)methoxy)carbonyl)oxy)-2-((benzyloxy)methyl)-6-(ethylthio)-5-(2,2,2-trichloroacetamido)tetrahydro-2H-pyran-3-yl 4-oxopentanoate