140135-50-8

1,3,5,11,13-Cyclopentadecapentaene-7,9-diyne,15-(5,10-dimethyl-2,4,10,12-cyclotridecatetraene-6,8-diyn-1-ylidene)-6,11-dimethyl-, (E,E,E,E,Z,Z,Z,Z,E)-