1,2-Diphenyl-4-(2-(5,6,7,8-tetrahydro-2-naphthoyl)ethyl)-3,5-pyrazolidinedione 20358-41-2 3,5-Pyrazolidinedione, 1,2-diphenyl-4-(2-(5,6,7,8-tetrahydro-2-naphthoyl)ethyl)- 5-24-09-00339 (Beilstein Handbook Reference) BRN 0632028