ER-807901

2,2-dimethyl-propionic acid 6-(tert-butyl-dimethyl-silanyloxy)-5-(4-methoxy-benzyloxy)-8-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-octa-2,7-dienyl ester

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

5-(2,2-dimethyl-[1,3]dioxolan-4-yl)-5-(4-methoxy-benzyloxy)-pent-2-enoic acid methyl ester

6-(2,2-dimethyl-propionyloxy)-2-(4-methoxy-benzyloxy)-hex-4-enoic acid