Similar names: Δ1-1,2,4-Triazoline-3,5-dione, 4-phenyl- (7CI); 4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione; 4-Phenyl-1,2,4-triazole-3,5-dione; 4-Phenyl-1,2,4-triazoline-3,5-dione; 4-Phenyl-1,2,4-triazolinedione; 4-Phenyl-3,5-dioxotriazole; 4-Phenyl-3H-1,2,4-triazoline-3,5-dione; 4-Phenyl-4,5-dihydro-3H-1,2,4-triazole-3,5-dione; 4-Phenyl-4H-1,2,4-triazoline-3,5-dione; 4-Phenyl-4H-[1,2,4]triazole-3,5-dione; 4-Phenyl-Δ1-1,2,4-triazoline-3,5-dione; 4-Phenyldehydrourazole; 4-Phenyltriazoline-3,5-dione; Azodicarboxylic acid N-phenylimide; N-Phenyl-1,2,4-triazoline-3,5-dione; N-Phenyl-1,3,4-triazoline-2,5-dione; N-Phenyl-1,3,5-triazoline-2,4-dione; N-Phenylazodicarboximide; N-Phenylazodicarboxylic imide; N-Phenyltriazoline-3,5-dione; N-Phenyltriazolinedione; NSC 150362; PTAD