20358-30-9 3,5-Pyrazolidinedione, 4-(2-(6-chloro-m-toluoyl)ethyl)-1,2-diphenyl- 4-(2-(2-Chloro-5-methylbenzoyl)ethyl)-1,2-diphenyl-3,5-pyrazolidinedione 5-24-09-00314 (Beilstein Handbook Reference) BRN 0631810