1,2:3,4-di-O-isopropylidene-6-trifluoromethanesulfonyloxy-6-deoxy-α-D-galactopyranose

硫代乙酸钾

硫代乙酸

双丙酮半乳糖

1,2:3,4-二-o-异亚丙基-6-o-对甲苯磺酰基-alpha-D-半乳糖