英文别名:octan-4-olide;Octano-1,4-lactone;g-Octalactone;4-Hydroxyoctanoic acid gamma-lactone;4-n-Butyl-4-hydroxybutyric acid lactone;Octanolide-1,4;Gamma-Octalactone;5-butyldihydrofuran-2(3H)-one;(5R)-5-butyldihydrofuran-2(3H)-one;(5S)-5-butyldihydrofuran-2(3H)-one