Dihydrofuran

dihydrofuran-2,3-dione 3-[(4-hydroxyphenyl)hydrazone]

ethyl (5Z)-2-methyl-4-oxo-5-(phenylmethylidene)-4,5-dihydrofuran-3-carboxylate

3-((6-METHYLPYRIDIN-2-YLAMINO)METHYLENE)DIHYDROFURAN-2(3H)-ONE

(3Z)-3-(5-methyl-2-oxodihydrofuran-3(2H)-ylidene)octahydroquinoxalin-2(1H)-one

(E)-3-(1-(4-METHOXYPHENYL)ETHYLIDENE)-4-(PROPAN-2-YLIDENE)DIHYDROFURAN-2,5-DIONE

disodium (5R)-5-[(1S)-2-hydroxy-1-oxidoethyl]-3-[(hydroxy{[2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-chromen-6-yl]oxy}phosphoryl)oxy]-4-oxo-4,5-dihydrofuran-2-olate