1 MSY 3-(3-methyl-5-oxo-4,5-dihydro-1h-pyrazol-1-yl)benzenesulfonamide 1.000 2 W1P 5-methyl-2-phenyl-2,4-dihydro-3h-pyrazol-3-one 0.765 3 A1AQB (2m)-2-(3-aminophenyl)-5-methyl-2,4-dihydro-3h-pyrazol-3-one 0.722