cis-N,N,N',N'-tetramethyl-1,2,3,4-tetrahydronaphthalene-2,3-bis(methylamine) N,N'-dioxide

2,3-bis(iodomethyl)-1,2,3,4-tetrahydronaphthalene

2,3-Bis-bromomethyl-1,4-dihydro-naphthalene

1,4-Dihydronaphthocyclobuten