1-Phenyl-2,3-dimethyl-4-(beta-phenyl-beta-acetyl)vinylpyrazol-5-one 24428-81-7 4-(beta-Acetylstyryl)antipyrine 5-24-08-00289 (Beilstein Handbook Reference) ANTIPYRINE, 4-(beta-ACETYLSTYRYL)- BRN 0832328