(5-oxocyclopenten-1-yl)methyl acetate

2-hydroxy-2-(hydroxymethyl)cyclopent-4-ene-1,3-dione

2-羟基甲基-2-环戊酮

2-[[tert-butyl(dimethyl)silyl]oxymethyl]cyclopent-2-en-1-one

(4R,5R)-rel-4,5-二羟基-5-(羟基甲基)-2-环戊烯-1-酮