4-(tert-butyl-dimethyl-silanyloxy)-6-[12-(tert-butyl-dimethyl-silanyloxy)-14-hydroxy-2,6-bis-methoxymethoxy-5,7,9,11,13,15-hexamethyl-nonadeca-3,8,16,18-tetraenyl]-3,5-dimethyl-tetrahydro-pyran-2-one

carbamic acid 3-(tert-butyl-dimethyl-silanyloxy)-14-[4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethyl-6-oxo-tetrahydro-pyran-2-yl]-9,13-bis-methoxymethoxy-2,4,6,8,10-pentamethyl-1-(1-methyl-penta-2,4-dienyl)-tetradeca-6,11-dienyl ester

4-(tert-butyl-dimethyl-silanyloxy)-6-[12-(tert-butyl-dimethyl-silanyloxy)-14-(4-methoxy-benzyloxy)-2,6-bis-methoxymethoxy-5,7,9,11,13,15-hexamethyl-nonadeca-3,8,16,18-tetraenyl]-3,5-dimethyl-tetrahydro-pyran-2-one