16006-72-7 3-Pyrazolin-5-one, 4-butyl-1,2-diphenyl-3-hydroxy-, benzoate (ester) 3-Pyrazolin-5-one, 4-butyl-3-hydroxy-1,2-diphenyl-, benzoate (6CI) 3H-Pyrazol-3-one, 5-(benzoyloxy)-1,2-dihydro-4-butyl-1,2-diphenyl- (9CI) 4-Butyl-1,2-diphenyl-3-hydroxy-3-pyrazolin-5-one benzoate (ester) 5-25-01-00044 (Beilstein Handbook Reference) BRN 0769156 Benzoate de phenylbutazone [French] VUFB4685a