p. 4205 - 4213
(2007/10/02)(2S,4R)-N-(4-tolylsulfonyl)-2-methyl-4-<(4-tolylsulfonyl)oxy>pyrrolidine
1-(4-tolylsulfonyl)-4-hydroxy-D-proline ethyl ester
(2R,4R)-1-(4-tolylsulfonyl)-4-<(4-tolylsulfonyl)oxy>-2-<<(4-tolylsulfonyl)oxy>methyl>pyrrolidine
(2R,4R)-4-hydroxy-2-hydroxymethyl-1-(4-tolylsulfonyl)pyrrolidine
(2S,4R)-ethyl 4-hydroxypyrrolidine-2-carboxylate