. "Feprazone"@en . . "D011298" . "Feprazone"@en . "C0033056" . . "Prenazone"@en . "Fenilprenazone"@en . "3,5-Pyrazolidinedione, 4-(3-methyl-2-butenyl)-1,2-diphenyl-"@en . . . . "Phenylprenazone"@en .