SEARCH Articles Figures Tables 1 -Phenyl-3-methyl-5-pyrazolone 2-Phenyl-6- complexes 3- Methyl-5-pyrazolone 5-Pyrazolone, l-phenyl-3-methyl-4- chromium complex geometrical isomerism Chromium complexes methyl complex Chromium phenyl complex L-Methyl-2-phenyl Methyl complex Pyrazolon Pyrazolone Pyrazolons