(1R,4R)-4-((tert-Butoxycarbonyl)amino)cyclopent-2-enecarboxylic acid
(1S,4R)-4-((tert-Butoxycarbonyl)amino)cyclopent-2-enecarboxylic acid
(1R,4S)-4-((tert-Butoxycarbonyl)amino)cyclopent-2-enecarboxylic acid
tert-Butyl ((1R,4S)-4-(hydroxymethyl)cyclopent-2-en-1-yl)carbamate
cis-4-((tert-Butoxycarbonyl)amino)cyclopent-2-enecarboxylic acid
(1S,4R)-Methyl 4-((tert-butoxycarbonyl)amino)cyclopent-2-enecarboxylate
