1,2-Dihydro-5-methoxy-1,2-diphenyl-3H-pyrazol-3-one 1,2-Diphenyl-3-methoxy-3-pyrazolin-5-one 3-Methoxy-1,2-diphenyl-5-pyrazolone 3-Pyrazolin-5-one, 1,2-diphenyl-3-methoxy- 37585-38-9 3H-Pyrazol-3-one, 1,2-dihydro-5-methoxy-1,2-diphenyl- (9CI) 5-25-01-00017 (Beilstein Handbook Reference) BRN 0233372