1,2-Diphenyl-3-hydroxy-4-(3-oxobutyl)-3-pyrazolin-5-one benzoate 16006-73-8 3-Pyrazolin-5-one, 1,2-diphenyl-3-hydroxy-4-(3-oxobutyl)-, benzoate (ester) 3H-Pyrazol-3-one, 5-(benzoyloxy)-1,2-dihydro-4-(3-oxobutyl)-1,2-diphenyl- (9CI) 5-25-02-00502 (Beilstein Handbook Reference) BRN 0902579 Benzoate de gamma-ceto-phenyl-butazone [French] VUFB4685