( )-gamma-Decalactone ( )-gamma-Decanolactone (5R)-5-Hexyldihydro-2(3H)-furanone (R)-4-Decanolide (R)-4-n-Hexylbutyrolactone (R)-gamma-Decalactone 107797-26-2 2(3H)-Furanone, 5-hexyldihydro-, (R)- R-( )-gamma-Decalactone