2(3H)-FURANONE, DIHYDRO-3-BENZYL-5-(2-PROPYNYLOXYMETHYL)- 27850-28-8 BRN 1582940 Dihydro-3-benzyl-5-(2-propynyloxymethyl)-2(3H)-furanone Propargyloxymethyl-4 benzyl-2 gamma-butyrolactone gamma-Butyrolactone, 2-benzyl-4-(2-propynyloxymethyl)-