2-deoxy-3-O-<(4-methoxyphenyl)methyl>-4,5-O-(1-methylethylidene)-D-erythro-pentose

5-(4-methoxy-benzyloxy)-6-oxo-hex-2-enoic acid methyl ester

6-hydroxy-5-(4-methoxy-benzyloxy)-8-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-octa-2,7-dienoic acid methyl ester

(2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester