英文别名gamma-Thiobutyrolactone; 4-BUTYROTHIOLACTONE; 2(3H)-dihydrothiophenone; Tetrahydrothiophene-2-one; γ-Thiobutyrolactone; 2(3H)-Thiophenone, dihydro-; 2-Oxothiolane; 2-Thiophenone, tetrahydro-; thiolan-2-one; Thiacyclopentan-2-one; Thiobutyrolactone; 2(3H)-Thiophenone,dihydro; Tetrahydro-2-thiophenone; 5-oxotetrahydrothiophene; 4-Thiobutyrolactone; 2-THIOPHENONE,TETRAHYDRO 
