p. 1035 - 1042
(2012/05/20)4R-4-hydroxyproline
1-tert-butyl 2-methyl (2S,4R)-4-{[tert-butyl(dimethyl)silyl]oxy}pyrrolidine-1,2-dicarboxylate
(R)-4-hydroxy-L-proline ethyl ester
(R)-1-phenyl-ethyl-amine
(2S,4R)-4-(tert-butyldimethylsilanyloxy)-2-methylpyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester