201311385benzyl (3S,4S)-3-ethyl-4-[5-(4-methylphenyl)sulfonyl-1,5,7,10-tetrazatricyclo[7.3.0.02,6]dodeca-2(6),

201311386rel-Phenylmethyl (3R,4S)-3-ethyl-4-(2-hydroxyacetyl)-1-pyrrolidinecarboxylate

201311387(3S,4R)-3-ethyl-4-(1,5,7,10-tetrazatricyclo[7.3.0.02,6]dodeca-2(6),3,7,9,11-pentaen-12-yl)-N-(2,2,2-t

20131138812-[(3R,4S)-4-ethylpyrrolidin-3-yl]-5-(4-methylphenyl)sulfonyl-1,5,7,10-tetrazatricyclo[7.3.0.02,6]do

201311389benzyl (3S,4S)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate

201311390benzyl (3S,4R)-3-ethyl-4-(1,5,7,10-tetrazatricyclo[7.3.0.02,6]dodeca-2(6),3,7,9,11-pentaen-12-yl)pyrr

2013113918-((3S,4S)-4-ethylpyrrolidin-3-yl)-3-tosyl-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine

201311392(3R,4R)-4-ethyl-1-phenylmethoxycarbonylpyrrolidine-3-carboxylic acid

201311393(3S,4R)-3-ethyl-4-[5-(4-methylphenyl)sulfonyl-1,5,7,10-tetrazatricyclo[7.3.0.02,6]dodeca-2(6),3,7,9,1

201311394benzyl (3R,4S)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate

201311395benzyl (3S,4R)-3-ethyl-4-[methoxy(methyl)carbamoyl]pyrrolidine-1-carboxylate

2013113961-[(benzyloxy)carbonyl]-4-ethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid