(1E,3R,4S,6R,7Z,9S,10R,11S,16R,17R,18S,19S,20Z)-10,16-bis((tert-butyldimethylsilyl)oxy)-1-iodo-3,9,11,17,19-pentamethyltricosa-1,7,20,22-tetraene-4,6,18-triol

(2R,4S,5R,6S)-7-(4-methoxybenzyloxy)-5-(tert-butyldimethylsilyloxy)-2,4,6-trimethylheptan-1-ol

(2E,4R,5S,7S,10S,11R,12S,14R)-5,11,15-tris(tert-butyldimethylsilyloxy)-4,10,12,14-tetramethyl-1-(trityloxy)pentadec-2-en-8-yn-7-ol

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

(2R,8S,9R,10S,11Z,13S,15S,16R,17E)-9,13,15-tris(tert-butyldimethylsilyloxy)-2-((4S,5S)-2-(4-methoxyphenyl)-5-methyl-1,3-dioxan-4-yl)-8,10,16-trimethyl-19-(trityloxy)nonadeca-11,17-dien-3-one