24665-80-3 3,5-Pyrazolidinedione, 4,4'-(dithiobis(ethyleneiminomethylidyne))bis(1,2-diphenyl- 4,4'-(Dithiobis(ethyleneiminomethylidyne))bis(1,2-diphenyl-3,5-pyrazolidinedione) 5-25-15-00485 (Beilstein Handbook Reference) BRN 0738400