(4S,5R,10S,11R)-(2E,8E)-11-(tert-butyl(dimethyl)silyloxy)-4,10-bis[(2-methoxyethoxy)methoxy]-5-methyl-6-oxa-1,7-dioxo-2,8-dodecadienoic acid tert-butyl ester

(4S,5R,10S,11R)-(2E,8E)-11-hydroxy-4,10-bis[(2-methoxyethoxy)methoxy]-5-methyl-6-oxa-1,7-dioxo-2,8-dodecadienoic acid tert-butyl ester

(5S,6R,11S,12R,16S)-(3E,9E)-5,11-bis[(2-methoxyethoxy)methyl]-6,12,16-trimethyl-1,7,13-trioxacyclohexadeca-3,9-diene-2,8,14-trione

(5S,6R,11S,12R,16R)-(3E,9E)-5,11-bis[(2-methoxyethoxy)methyl]-6,12,16-trimethyl-1,7,13-trioxacyclohexadeca-3,9-diene-2,8,14-trione

(4S,5R,10S,11R,15S)-(2E,8E)-15-hydroxy-4,10-bis[(2-methoxyethoxy)methoxy]-5,11-dimethyl-6,12-dioxa-1,7,13-trioxo-2,8-hexadecadienoic acid