3H-Pyrazol-3-one, 2,4-dihydro-2,5-diphenyl-
2-Pyrazolin-5-one, 1,3-diphenyl-
2,4-Dihydro-2,5-diphenyl-3H-pyrazol-3-one
1,3-Diphenyl-2-pyrazolin-5-one
NSC 59778
2,5-Diphenyl-2,4-dihydro-3H-pyrazol-3-one
1,3-Diphenyl-4,5-dihydro-1H-pyrazol-5-one
2,5-Diphenyl-4H-pyrazol-3-one
2,5-Diphenyl-2,4-dihydro-pyrazol-3-one
1,3-Diphenyl-1H-pyrazol-5(4H)-one