trans,trans-1,5-Bis(4-fluorophenyl)-1,4-pentadien-3-one
http://www.cosmoscience.org/shop/fm-3b-b2283-trans-trans-15-bis-4-fluorophenyl-14-pentadien-3-one-39013
http://www.cosmoscience.org/web/image/product.template/39013/image_1920?unique=7d05f5b
trans,trans-1,5-Bis(4-fluorophenyl)-1,4-pentadien-3-one 5g : Conjugated diketone for material science, fluorescence studies, and organic synthesis.
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