(4S,4'S)-2,2'-(Cyclopropane-1,1-diyl)bis(4-(tert-butyl)-4,5-

4,5-Dimethyl-1,2-dihydropyridazine-3,6-dione

tert-Butyl (3-ethylpyridin-2-yl)carbamate

Diphenyl malonate

4,12-Dibromo[2.2]paracyclophane

Mal-amido-PEG4-acid

5,5'-(Ethyne-1,2-diyl)diisophthalaldehyde

tert-Butyl (3-chloropyridin-2-yl)carbamate

3-Bromo-5-chloro-2-fluoroaniline hydrochloride

5-Bromo-4-methoxypicolinonitrile

2-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)anil

2,4,6,7-Tetrahydropyrano[4,3-c]pyrazole

4,6-Dichloropyridine-2,3-diamine

4-Bromo-6-methylpyridin-3-ol

O-Tritylhydroxylamine