1-Phenyl-2,4-hexadiyn-1-one 2,4-HEXADIYNOPHENONE 2,4-Hexadiyn-1-one, 1-phenyl- (9CI) 4-07-00-01354 (Beilstein Handbook Reference) 495-74-9 BRN 1865168 Capillin NSC 113499