3,5,6-trideoxy-1,2-O-isopropylidene-α-D-ribo-hex-5-enofuranoside

Benzoic acid (R)-1-ethyl-but-3-ynyl ester

3,5,6-Tridesoxy-1,2-O-isopropyliden-α-D-erythro-hexofuranose

(R)-6,6-Dibromo-hex-5-en-3-ol