Propanedinitrile, 2-(6,7-dihydro-7-oxo-5H-cyclopenta[b]thieno[2,3-d]thien-5-ylidene)-

Propanedinitrile, 2-(6,7-dihydro-7-oxo-5H-cyclopenta[b]thieno[2,3-d]thien-5-ylidene)- · CAS 2244767-93-7