4-硝基苯氧乙酸

(4-cyanamidinophenoxy)acetic acid tert-butyl ester

4-(N-hydroxyguanidino)phenoxy-acetic acid tert-butyl ester

(4-Selenocyanato-phenoxy)-acetic acid tert-butyl ester

tert-butyl 4-(6-cyano-2-naphthalenecarboxamido)phenoxyacetate