.gamma.-Stearolactone 2(3H)-Furanone, dihydro-5-tetradecyl- 4-Octadecanolide 502-26-1 Dihydro-5-tetradecyl-2(3H)-furanone NSC34907 Octadecanoic acid, 4-hydroxy-, .gamma.-lactone WLN: T5OVTJ E14