[(1R,2S,3S)-3-Hydroxy-2-(4-methoxy-benzyloxy)-1-(4-methoxy-phenoxymethyl)-pent-4-enyl]-carbamic acid tert-butyl ester

(2R,3R,4S,5R)-3-Hydroxy-2-hydroxymethyl-4-(4-methoxy-benzyloxy)-5-(4-methoxy-phenoxymethyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

(2R,3S,4S,5R)-3-Hydroxy-2-hydroxymethyl-4-(4-methoxy-benzyloxy)-5-(4-methoxy-phenoxymethyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

(2S,3S,4S,5R)-3-Hydroxy-2-hydroxymethyl-4-(4-methoxy-benzyloxy)-5-(4-methoxy-phenoxymethyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

[(1R,2S,3S)-3-Hydroxy-2-(4-methoxy-benzyloxy)-1-(4-methoxy-phenoxymethyl)-3-(R)-oxiranyl-propyl]-carbamic acid tert-butyl ester