Methanesulfonic acid (R)-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-{(4R,5R)-2,2-dimethyl-5-[(2,2,2-trifluoro-acetylamino)-methyl]-[1,3]dioxolan-4-yl}-methyl ester

Methanesulfonic acid (1R,2R)-1-{(4R,5R)-2,2-dimethyl-5-[(2,2,2-trifluoro-acetylamino)-methyl]-[1,3]dioxolan-4-yl}-2,3-dihydroxy-propyl ester

2,2,2-Trifluoro-N-[(4R,5R)-5-((2S,3R)-3-hydroxymethyl-oxiranyl)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl]-acetamide

N-{(4R,5S)-5-[(R)-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-hydroxy-methyl]-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl}-2,2,2-trifluoro-acetamide

(R)-((4S,5R)-5-Aminomethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methanol