trans-2,2-Dimethyl-3-p-tolyloxy-cyclopropan-1-carbonsaeure 、 3-(3-fluorobenzyl)-pyrrolylmethyl methanesulfonate 以to yield 3-(3-fluorobenzyl)-pyrrolylmethyl 3-(4-methylphenoxy)-2,2-dimethylcyclopropanecarboxylate的产率得到3-(3-fluorobenzyl)-pyrrolylmethyl 3-(4-methylphenoxy)-2,2-dimethylcyclopropanecarboxylate