Acetic acid (2R,3S,4R,5R,6S)-2-benzyloxymethyl-5-(3,4-dimethyl-2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-6-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-4-(9H-fluoren-9-ylmethoxycarbonyloxy)-tetrahydro-pyran-3-yl ester

Carbonic acid (2R,3S,4R,5R,6R)-2-benzyloxymethyl-5-(3,4-dimethyl-2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-3,6-dihydroxy-tetrahydro-pyran-4-yl ester 9H-fluoren-9-ylmethyl ester

Acetic acid (2R,3S,4R,5R,6R)-2-benzyloxymethyl-5-(3,4-dimethyl-2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-4-(9H-fluoren-9-ylmethoxycarbonyloxy)-6-hydroxy-tetrahydro-pyran-3-yl ester

Benzoic acid (2R,3S,4R,5R,6R)-2-benzyloxymethyl-5-(3,4-dimethyl-2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-4-(9H-fluoren-9-ylmethoxycarbonyloxy)-6-hydroxy-tetrahydro-pyran-3-yl ester

Carbonic acid (2R,3S,4R,5R,6S)-2-benzyloxymethyl-5-(3,4-dimethyl-2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-6-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-3-hydroxy-tetrahydro-pyran-4-yl ester 9H-fluoren-9-ylmethyl ester