(2R,3R,4S,5R)-N-(methoxycarbonyl)-3,4-epoxy-5-(methyl)-2-(p-methoxyphenyl)-pyrrolidine

(2R,3R,4R,5R)-N-(methoxycarbonyl)-3,4-dihydroxy-5-(methyl)-2-(p-methoxyphenyl)-pyrrolidine

(2R,3R,4R,5R)-3,4-Dihydroxy-2-hydroxymethyl-5-(4-methoxy-phenyl)-pyrrolidine-1-carboxylic acid methyl ester