| Synonyms |
Pyrazinobutazone; 1,2-Diphenyl-3,5-dioxo-4-n-butylpyrrazolidine de piperazine; 1,2-Diphenyl-3,5-dioxo-4-n-butylpyrrazolidine de piperazine [French]; 4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione compd. with piperazine (1:1); Carudol; DB 139; Pyrasanone; Ranoroc; 3,5-Pyrazolidinedione, 4-butyl-1,2-diphenyl-, compd. with piperazine (1:1); 4-Butyl-1,2-diphenylpyrazolidine-3,5-dione, compound with piperazine (1:1); 4-butyl-1,2-diphenylpyrazolidine-3,5-dione - piperazine (1:1) |