1,3-Cyclopentanedicarbonyl dichloride, 1,2,2-trimethyl-

1-chloro-2,2,3-trimethyl-cyclopentane-1,3-dicarbonyl chloride

3-azido-1-thiochroman-4-one

1-(Cyanovinyl) (1'S)-camphanate

(1R,2R,4R)-2-exo-cyano-7-oxabicyclo(2.2.1)hept-5-en-2-endo-yl(1S)-camphanate