3-Butoxy-1,2-diphenyl-3-pyrazolin-5-one 3-Butoxy-1,2-diphenyl-5-pyrazolone 3-Pyrazolin-5-one, 3-butoxy-1,2-diphenyl- 37585-41-4 3H-Pyrazol-3-one, 5-butoxy-1,2-dihydro-1,2-diphenyl- 5-25-01-00017 (Beilstein Handbook Reference) BRN 0684284