SEARCH Articles Figures Tables Pyrazolinone derivatives Pyrazolinone epoxidation Pyrazolinone stereochemistry Pyrazolinone synthesis Pyrazolinones Pyrazolinones Pyrazolinones chlorination Pyrazolinones nitration Pyrazolinones synthesis Pyrazolinones, 1-phenyl-, nitration Pyrazolinones, tautomerism