(1R,2S)-1,2-Bis(benzoyloxy)cyclobutane

(1R,2S)-1,2-Bis-trimethylsilanyloxy-cyclobutane

(1R,2S)-1,2-bis(4-methoxyphenyl)cyclobutane

(1R,2S)-1,2-bis(3-(benzyloxy)-4-methoxyphenyl)-2-((2,2-dimethoxyethyl)(methyl)amino)ethyl acetate

(1R,2S)-1,2-bis(4-methoxyphenyl)cyclopropane

(1R,2S)-1,2-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohexane

(1R,2S)-1,2-bis(2-bromo-4-methoxyphenyl)ethane-1,2-diamine