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(2007/10/02)R-(+) estere benzilico dell'acido γ-butirrolatton-γ-3-propionico
S-(-) estere benzilico dell'acido γ-butirrolatton-γ-3-propionico
(+)-(5R)-dihydro-5-(3'-hydroxypropyl)-2(3H)-furanone
(5S)-5-(hydroxymethyl)-2-oxo-tetrahydrofuran
(S)-5-tosyloxypentan-4-olide