(2R,3R,4S,5S)-3,4-Bis-benzyloxy-2-(2,2-dibromo-vinyl)-5-methoxy-tetrahydro-furan

(2R,3R,4R,5R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(((2R,3R,4S,5S)-3,4-bis(benzyloxy)-5-methoxytetrahydrofuran-2-yl)ethynyl)tetrahydrofuran