3-O-ACETYL-1,2:5,6-DI-O-ISOPROPYLIDENE-ALPHA-D-ERYTHRO-HEX-3-ENOFURANOSE

1,2:5,6-Bis-O-(1-Methylethylidene)-α-D-erythro-hex-3-enofuranose 3-Acetate

1-O,2-O:5-O,6-O-Bis(1-methylethylidene)-α-D-erythro-3-hexenofuranose 3-acetate