(3-((2-amino-6-chloropyrimidin-4-yl)amino)cyclobutane-1,1-diyl)bis(methylene) dicyclohexanecarboxylate

1-allyl-1-isopropyl-3,3-bis(3-phenylpropoxymethyl)cyclobutane

1-cyclopentyl-1-methyl-3,3-bis(3-phenylpropoxymethyl)cyclobutane

1-allyl-1-cyclopentyl-3,3-bis(3-phenylpropoxymethyl)cyclobutane

3,3-bis(ethoxymethyl)-1-[chloro(p-tolylsulfinyl)methylidene]cyclobutane