I.U.P.A.C.Nomenclature drop e from alkan e and add "oic acid" OH CO2H heptanoic acid (Z)2-methyl-2-pentenoic acid CHCO2H CO2H Br cyclopentanecarboxylic acid p-bromophenylethanoic acid p-bromophenylacetic acidI.U.P.A.C. Nomenclature O OH heptanoic acid drop e from alkan e and add "oic acid" CO2 H (Z) 2-methyl-2-pentenoic acid CO2 H cyclopentanecarboxylic acid CH2 CO2 H Br p-bromophenylethanoic acid p-bromophenylacetic acid