Tetraethyl 2,2′-(3,7-dioxo-3,7-dihydro-1H,5H-furo[3,4-f][2]benzofuran-1,5-diylidene)dimalonate

2,2′-(3,7-Dioxo-3,7-dihydro-1H,5H-furo[3,4-f][2]benzofurane-1,5-diylidène)dimalonate de tétraéthyle

Propanedioic acid, 2,2′-(3,7-dihydro-3,7-dioxo-1H,5H-benzo[1,2-c:4,5-c′]difuran-1,5-diylidene)bis-, tetraethyl ester

Tetraethyl 2,2′-(3,7-dioxo-3,7-dihydro-1H,5H-furo[3,4-f][2]benzofuran-1,5-diylidene)dimalonate

Tetraethyl-2,2′-(3,7-dioxo-3,7-dihydro-1H,5H-furo[3,4-f][2]benzofuran-1,5-diyliden)dimalonat

2-[5-(Bis-ethoxycarbonyl-methylene)-3,7-dioxo-5,7-dihydro-3H-benzo[1,2-c

332056-19-6

4,5-c′]difuran-1-ylidene]-malonic acid diethyl ester

diethyl 2-[1-(1,3-diethoxy-1,3-dioxopropan-2-ylidene)-3,7-dioxofuro[3,4-f][2]benzofuran-5-ylidene]propanedioate

tetraethyl 2,2′-(3,7-dioxo-3,7-dihydro-1H,5H-benzo[1,2-c:4,5-c′]difuran-1,5-diylidene)dipropanedioate

tetraethyl 2,2′-(3,7-dioxobenzo[1,2-c:4,5-c′]difuran-1,5(3H,7H)-diylidene)dimalonate