(2R,3S)-1-(4-Methoxy-benzyloxy)-2-methyl-6-trimethylsilanyl-hex-5-yn-3-ol

(2S,5S)-5-({(2S,5R,6S,8S)-5-Benzyloxy-8-[(R)-2-(4-methoxy-benzyloxy)-1-methyl-ethyl]-10-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-yl}-hydroxy-methyl)-2-tert-butyl-5-methyl-[1,3]dioxolan-4-one

(2S,5R)-5-({(2S,5R,6S,8S)-5-Benzyloxy-8-[(R)-2-(4-methoxy-benzyloxy)-1-methyl-ethyl]-10-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-yl}-hydroxy-methyl)-2-tert-butyl-5-methyl-[1,3]dioxolan-4-one