1,1'-Bitricyclo[3.3.1.13,7]decane, 3,3' ,5,5',7,7'-hexakis(4-bromophenyl)-
1,1'-Bitricyclo[3.3.1.13,7]decane, 3,3' ,5,5',7,7'-hexakis(4-bromophenyl)-
1,1'-Bitricyclo[3.3.1.13,7]decane, 3,3' ,5,5',7,7'-hexakis(4-bromophenyl)-