2,5-dimethoxy-1,3-bis(phenylmethoxy)benzene

2,5-Dimethoxy-1,3-bis-benzolsulfonyloxy-benzol

2,6-Bis-benzolsulfonyloxy-benzochinon-(1,4)

4-Amino-3,5-bis-benzolsulfonyloxy-phenol

1,4-Dihydroxy-2,6-bis-benzolsulfonyloxy-benzol