(2S,3R)-3-methyl-2-nitromethyl-4-oxo-3-phenylbutyric acid methyl ester
(R)-methyl 3-nitro-2-((3R,3aS,9R,9aS)-9-phenyl-2,3,3a,4,9,9a-hexahydro-1H-cyclopenta[b]quinolin-3-yl)propanoate
5-methoxycarbonyl-6-nitrobenzofuran
5-(methoxycarbonyl)benzo[b]furan
(3S,4S)-4-isobutylpyrrolidine-1,3-dicarboxylic acid 1-benzyl ester 3-methyl ester