for the following products
4-Benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-one | 4-Benzoyl-3-methyl-1-phenyl-2-pyrazoline-5-one | 4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone | 4-Benzoyl-5-methyl-2-phenyl-1H-pyrazol-3(2H)-one and 4-Benzoyl-3-methyl-1-phenyl-5-pyrazolinone
