Acetic acid (1R,2R,5S)-2-acetoxymethyl-5-(tert-butyl-dimethyl-silanyloxy)-2-hydroxy-3-iodo-cyclopent-3-enyl ester

(R)-3-tert-Butoxycarbonylamino-3-{5-[(1S,4R,5R)-5-(tert-butyl-dimethyl-silanyloxy)-4-hydroxy-4-hydroxymethyl-3-iodo-cyclopent-2-enyloxy]-6-chloro-pyridin-2-yl}-propionic acid methyl ester