((1S,4S,5S)-5-(tert-butoxy)-4-((methoxycarbonyl)amino)cyclopent-2-en-1-yl)methyl acetate

Acetic acid (1S,4R,5R)-5-tert-butoxy-4-hydroxymethyl-cyclopent-2-enylmethyl ester

(-)-(1S,4R)-4-acetamidocyclopent-2-enylmethanol

methyl (+)-cis-4-acetamidocyclopent-2-enecarboxylate

(1S,4r)-4-氨基-2-环戊烯羧酸盐酸盐