1, 2:3, 4-Di-O-isopropylidene-6-O-mesyl-a-D-galactopyranose, CAS:4148-55-4

1,2:3,4-DI-O-ISOPROPYLIDENE-ALPHA-D-GALACTOPYRANOSE-6-MESYLESTER;

((3AR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-5-yl)methyl methanesulfonate; 

O=S(OC[C@@H](O1)[C@H](O2)[C@H](OC2(C)C)[C@@H](O3)[C@H]1OC3(C)C)(C)=O