1,2-Diphenyl-4-(3-methyl-2-butenyl)-3,5-pyrazolidinedione 3,5-PYRAZOLIDINEDIONE, 1,2-DIPHENYL-4-(3-METHYL-2-BUTENYL)- 3,5-Pyrazolidinedione, 4-(3-methyl-2-butenyl)-1,2-diphenyl- 30748-29-9 4-(2-Isopentenyl)-1,2-diphenyl-3,5-pyrazolidinedione 4-(3-Methyl-2-butenyl)-1,2-diphenyl-3,5-pyrazolidinedione 4-(beta-Isoamylenyl)-1,2-diphenyl-3,5-pyrazolidinedione 4-Prenyl-1,2-diphenyl-3,5-dioxopyrazolidine 4-Prenyl-1,2-diphenyl-3,5-pyrazolidinedione Analud BRN 3984862 DA 2370 EINECS 250-324-3 Fenilprenazone Feprazona [INN-Spanish] Feprazone Feprazone [BAN:INN:JAN] Feprazonum [INN-Latin] Methrazone Phenylprenazone Pheprazone Prenazone Zepelin