allyl 2,3,4-tris-O-(phenylbenzoyl)-β-D-galactopyranoside 、
2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl bromide 生成 [(2R,3S,4S,5R,6R)-4,5-bis[(4-phenylbenzoyl)oxy]-6-prop-2-enoxy-2-[[(2R,3R,4S,5S,6R)-3,4,5-tribenzoyloxy-6-(benzoyloxymethyl)oxan-2-yl]oxymethyl]oxan-3-yl] 4-phenylbenzoate