(2S,3R)-2-(4-(dimethylamino)phenyl)-4-methylene-1-tosylpyrrolidine-3-carbonitrile

tert-butyl 3-cyano-4-methyl-2-(naphthalen-2-yl)-2,5-dihydro-1H-pyrrole-1-carboxylate

3-Cyano-4-methyl-2-phenyl-cyclopent-3-ene-1,1-dicarboxylic acid dimethyl ester

(2R,3R)-4-methylene-2-(2-methylpent-4-en-2-yl)-1-tosylpyrrolidine-3-carbonitrile

(2S,3R)-4-methylene-2-(2-methylpent-4-en-2-yl)-1-tosylpyrrolidine-3-carbonitrile