6-(2,2-dimethyl[1,3]dioxolan-4(S)-yl)-5(S)-hydroxy-4(R)-methylhex-2-enoic acid ethyl ester

(R)-N-methoxy-2-[(2S,4S,5S)-2-(4-methoxyphenyl)-5-methyl-1,3-dioxinan-4-yl]-N-methylpropionamide

(4R)-4-benzyl-3-{(2R,3S)-4-[(1S)-2,2-dimethyl-[1,3]-dioxolan-4-yl]-3-hydroxy-2-methylbutyryl}oxazolidin-2-one