3,5-Pyrazolidinedione, 4-cyclohexyl-1,2-diphenyl- 34925-60-5 4-Cyclohexyl-1,2-diphenyl-3,5-dioxopyrazolidine 4-Cyclohexyl-1,2-diphenyl-3,5-pyrazolidinedione 5-24-07-00323 (Beilstein Handbook Reference) BRN 0319023