34932-07-5

2-(Triphenylphosphoranylidene)-gama-butyrolactone 3-(Triphenylphosphoranylidene)-gama-butyrolactone 2-(TRIPHENYLPHOSPHORANYLIDENE)-GAMMA-BUTYROLACTONE 3-(Triphenylphosphoranylidene)tetrahydrofuran-2-one Dihydro-3-(triphenylphosphoranylidene)-2(3H)-furanone 3-(Triphenylphosphoranylidene)dihydrofuran-2-(3H)-one 2(3H)-Furanone, dihydro-3-(triphenylphosphoranylidene)- 4,5-Dihydro-3-(triphenylphosphoranylidene)-2(3H)-furanone 3-(Triphenylphosphoranylidene)-4,5-dihydrofuran-2(3H)-one