Topiramate Dimer Impurity

Chemical Name: ((3aS,5aR,8aR,8bS)-2,2,7,7-tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl (((3aS,5aR,8aR,8bS)-2,2,7,7-tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl)sulfamate

Smile: CC1(C)O[C@]2([H])CO[C@]3(COS(NC[C@]4(OC(C)(C)O5)[C@]5([H])[C@@](OC(C)(C)O6)([H])[C@@]6([H])CO4)(=O)=O)[C@](OC(C)(C)O3)([H])[C@]2([H])O1