3-[3,4-Bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-propionic acid (R)-1-methyl-2-((R)-6-oxo-4-phenylsulfanyl-tetrahydro-pyran-2-yl)-ethyl ester

(Z)-(R)-5-Amino-1-hydroxy-1-pyrrol-1-yl-hex-4-en-3-one

(R)-6-Hydroxy-6-pyrrol-1-yl-hexane-2,4-dione

(1R,3R,5R)-1-Pyrrol-1-yl-hexane-1,3,5-triol

(R)-6-((R)-2-Hydroxy-propyl)-4-phenylsulfanyl-tetrahydro-pyran-2-one