11,12-bis[(triisopropylsilyl)butadinyl][4.3.2]propella-1,3,11-triene

11,12-diformyl[4.3.2]propella-1,3,11-triene

11,12-bis(hydroxymethyl)[4.3.2]propella-1,3,11-triene

11,12-bis(2,2-dichloroethenyl)[4.3.2]propella-1,3,11-triene

11,12-bis[(methoxymethoxy)methyl][4.3.2]propella-1,3,11-triene