24428-83-9 3-Methyl-1-phenyl-4-(2-(p-toluoyl)vinyl)-3-pyrazolin-5-one 3-Pyrazolin-5-one, 3-methyl-1-phenyl-4-(2-(p-toluoyl)vinyl)- 5-24-08-00289 (Beilstein Handbook Reference) BRN 0819985