1-(4'-Bromo-biphenyl-4-yl)-2-(6-butyl-spiro[3.3]hept-2-yl)-ethanone

(3-Butyl-1-hydroxymethyl-cyclobutyl)-methanol

(6-Butyl-spiro[3.3]hept-2-yl)-methanol

(6-Butyl-spiro[3.3]hept-2-yl)-acetonitrile

(6-Butyl-spiro[3.3]hept-2-yl)-acetic acid