英文别名2-(6-Oxo-5,6-dihydro-cyclopenta[b]thiophen-4-ylidene)-malononitrile; 2-(6-oxocyclopenta[b]thiophen-4-ylidene)propanedinitrile; 2-{6-oxo-4H,5H,6H-cyclopenta[b]thiophen-4-ylidene}propanedinitrile; 2-(6-oxo-5,6-dihydro-4hcyclopenta[b]thiophen-4-ylidene) malononitrile; Propanedinitrile, 2-(5,6-dihydro-6-oxo-4H-cyclopenta[b]thien-4-ylidene)-; 2-(6-oxo-5,6-dihydro-4H-cyclopentadieno[b]thiophene-4-subunit)malondinitrile; (6-Oxo-5,6-dihydro-4H-cyclopenta[b]thiophen-4-ylidene)malononitrile 
