(3aS,4R,7R,8R,8aS)-8-(allyloxy)-2-vinylhexahydro-4,7-epoxy[1,3]dioxolo[4,5-c]oxepine

2,3,4-三-O-乙酰基-1,6-脱水吡喃甘露糖

1,6-ANHYDRO-.β.-D-MANNOPYRANOSE, TRIBENZOATE

D-甘露糖

对甲苯磺酰氯