(2S,4S)-tert-butyl 2-(hydroxymethyl)-4-methylpyrrolidine-1-carboxylate
(2S,4R)-1-[(tert-butoxy)carbonyl]-4-methylpyrrolidine-2-carboxylic acid
(S)-4-methyl-2,5-dihydro-pyrrole-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl ester
C47H56N8O6
C43H50N6O4