(2R,4S)-8-(benzyloxy)-2-methyloct-6-yne-1,4-diol

(3R,5S)-5-[4-(benzyloxy)but-2-yn-1-yl]-3-methyldihydrofuran-2(3H)-one

(3R,5S)-9-(benzyloxy)-3-methylnon-1-en-7-yn-5-ol

(3R,5R)-9-(benzyloxy)-3-methylnon-1-en-7-yn-5-yl N-(tert-butoxycarbonyl)-N-methyl-D-phenylalaninate