(3S,4S,5S)-4-acetoxy-5-azido-3-(tert-butyldiphenylsilyloxy)cyclo-hex-1-enylmethyl acetate

(1S,2S,3S,4S,5S)-2-acetoxy-1-azido-3-(tert-butyldiphenylsilyloxy)-4,5-dihydroxycyclohex-5-ylmethyl acetate

(3S,4S,5R)-ethyl 3-chloro-4,5-bis(formyloxy)cyclohex-1-ene-1-carboxylate

valiolamine azide tetraacetate

(3R,4S,5R)-ethyl 3,4-epoxy-5-hydroxycyclohex-1-ene-1-carboxylate