83320-74-5 1,3,5,7,13,15,17-Cyclononadecaheptaene-9,11-diyne,19-(diphenylmethylene)-8,13-dimethyl-, (E,E,Z,Z,E,E,E)- 83320-76-7 1,3,5,11,13-Cyclopentadecapentaene-7,9-diyne,15-(diphenylmethylene)-6,11-dimethyl-, (E,E,Z,Z,E)- 83320-80-3 Benzene,1,1'-[8-methyl-2-(6-methyl-1,3,5-octatrien-7-ynyl)-1,3,5,7-decatetraen-9-ynylidene]bis-, (E,E,Z,Z,E,E)-