(2E,4S,5S,7S,8Z,10S,11R,12R,14R)-11-(4-methoxybenzyloxy)-5,15-bis(tert-butyldimethylsilyloxy)-4,10,12,14-tetramethyl-1-(trityloxy)pentadeca-2,8-dien-7-ol

[(2E,4S,5S,7S,8Z,10S,11R,12R,14R)-11-(4-methoxybenzyloxy)-5,7,15-tris(tert-butyldimethylsilyloxy)-4,10,12,14-tetramethylpentadeca-2,8-dienyloxy]triphenylmethane

(2R,4R,5R,6S,7Z,11S,12S,13E)-1,9,11-tris(tert-butyldimethylsilyloxy)-2,4,6,12-tetramethyl-15-(trityloxy)pentadeca-7,13-dien-5-ol