Synonyms: NSC290664;61656-32-4;(3E,3'''E)-3,3'-((3E,5E)-1,2,4-Trithiolane-3,5-diylidene)bis(1,1'-bi(cyclopentyliden)-2-one);(3E,3'''E)-3,3'-[(3E,5E)-1,2,4-Trithiolane-3,5-diylidene]bis[1,1'-bi(cyclopentyliden)-2-one];AC1MHFUL;NSC 290664;(5E)-2-cyclopentylidene-5-[(5E)-5-(3-cyclopentylidene-2-oxocyclopentylidene)-1,2,4-trithiolan-3-ylidene]cyclopentan-1-one