2,3,4,5-tetra-O-acetyl-L-rhamnose diethyl dithioacetal

1',3'-propanedisulfonyl (L)-rhamnose

O5-(toluene-4-sulfonyl)-L-arabinose diethyl dithioacetal

(2S,3S,4S)-6,6-bis(ethylsulfonyl)-hex-5-ene-2,3,4-triol

5-deoxy-α-L-ribose