methyl (1S,3R,4S)-3,4-dihydroxycyclohexanecarboxylate

(3aR,5S,7R,7aR)-5-Hydroxy-2,2-dimethyl-7-(toluene-4-sulfonyloxy)-hexahydro-benzo[1,3]dioxole-5-carboxylic acid methyl ester

(3R,4R,5S)-4-Amino-5-azido-3-propoxy-cyclohex-1-enecarboxylic acid methyl ester

(3R,4R,5S)-4-Acetylamino-5-amino-3-propoxy-cyclohex-1-enecarboxylic acid methyl ester

(3R,4R,5S)-4-acetamido-5-(N2,N3-bis(tert-butoxycarbonyl)guanidino)-3-propoxy-1-cyclohexene-1-carboxylic acid