1,3,6,8-Nonatetraen-5-one, 1,9-diphenyl- 1,9-Diphenylnona-1,3,6,8-tetraen-5-one 622-21-9 AI3-63083 Acetone, dicinnamylidene- Dicinnamalacetone EINECS 210-724-0 NSC 6245