Thiophene,3,3'-(3,3,4,4,5,5-hexafluoro-1-cyclopentene-1,2-diyl)bis[2,5-dimethyl-

Thiophene,3,3'-(3,3,4,4,5,5-hexafluoro-1-cyclopentene-1,2-diyl)bis[2,5-dimethyl- · CAS 190394-25-3