{(4R,5S)-5-[(R)-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-hydroxy-methyl]-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl}-carbamic acid benzyl ester

Methanesulfonic acid (R)-[(4R,5R)-5-(benzyloxycarbonylamino-methyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methyl ester

(E)-3-{(2R,3S)-3-[(4R,5R)-5-(Benzyloxycarbonylamino-methyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-oxiranyl}-acrylic acid ethyl ester

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

[(4R,5R)-5-((2R,3S)-3-Formyl-oxiranyl)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl]-carbamic acid benzyl ester