SEARCH Articles Figures Tables Aromatic compounds ortho,para-directing groups Directing groups Electrophilic aromatic substitution, acylation ortho-para directing groups Electrophilic aromatic substitutions ortho—para-directing groups Ortho para directing groups 495 table Ortho, para, meta -Directing group Ortho, para-directing Ortho- and para-directing group Ortho/para Para group Substituent groups ortho-para directing