(S)-6-Hydroxy-7,7a-dihydro-6H-benzofuran-2-one

acetic acid 3,5-diacetoxy-2-[(9H-fluoren-9-yl-methoxycarbonylamino)-methyl]-6-fluoro-tetrahydro-pyran-4-yl ester

2-(tert-butyl-dimethyl-silanyloxy)-5-hydroxy-4-(4-methoxy-benzyloxy)-cyclohexanone

(6-fluoro-3,4,5-trihydroxy-tetrahydro-pyran-2-yl-methyl)-carbamic acid 9H-fluoren-9-ylmethyl ester

6-(4-methoxy-benzyloxy)-7,7a-dihydro-6H-benzofuran-2-one