(3S,4S,5R,6S)-3,4,5-Tris-benzyloxy-6-vinyl-tetrahydro-pyran-2-one

(3R,4S,5R,6S)-3,4,5-Tris-benzyloxy-6-vinyl-tetrahydro-pyran-2-one

((1S,2S,3S,4S,5S,7R)-2,3,4-Tris-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-7-yl)-methanol

(1R,2S,3S,4S,5R,7S)-2,3,4-Tris-benzyloxy-7-iodomethyl-6,8-dioxa-bicyclo[3.2.1]octane

(3S,4S,5R,6S)-2,3,4,5-Tetrakis-benzyloxy-6-vinyl-tetrahydro-pyran