(+)-(1S,3S)-methyl (3-acetyl-2,2-dimethylcyclobutyl)acetate

2-(3-acetyl-2,2-dimethylcyclobutyl)acetaldehyde

(-)-(1S,3R)-3-(2-hydroxyethyl)-2,2-dimethylcyclobutan-1-ol

[(1S,3S)-2,2-Dimethyl-3-(2-methyl-[1,3]dioxolan-2-yl)-cyclobutyl]-acetaldehyde

(-)-(1S,2S)-methyl (2-isopropenylcyclopropyl)acetate

2-[(1S,3S)-2,2-Dimethyl-3-(2-methyl-[1,3]dioxolan-2-yl)-cyclobutyl]-ethanol

(1S,3S)-(-)-3-(2-Hydroxy-2-methylpropyl)-2,2-dimethylcyclobutanol

(-)-(1S,3R)-3-(2-hydroxyethyl)-2,2-dimethylcyclobutan-2,2-d2-1-ol

(Z)-2-Benzyloxycarbonylamino-4-[(1R,3S)-2,2-dimethyl-3-(2-methyl-[1,3]dioxolan-2-yl)-cyclobutyl]-but-2-enoic acid methyl ester

Cyclobutaneacetic acid, 3-hydroxy-2,2-dimethyl-, methyl ester, (1S-cis)-

(+-)-(3c-chlorocarbonyl-2,2-dimethyl-cyclobut-r)-acetic acid methyl ester

(-)-(1S,3S)-methyl (2,2-dimethyl-3-((p-toluenesulfonyl)oxy)cyclobutyl)acetate

1-((1S,3S)-3-(2-hydroxyethyl)-2,2-dimethylcyclobutyl)ethanone

(Z)-2-Acetylamino-4-[(1R,3S)-2,2-dimethyl-3-(2-methyl-[1,3]dioxolan-2-yl)-cyclobutyl]-but-2-enoic acid methyl ester