2-Propynoic acid, 3-phenyl-, ethyl ester (9CI) 2216-94-6 4-09-00-02328 (Beilstein Handbook Reference) AI3-04344 BRN 0639637 CCRIS 4504 EINECS 218-703-8 Ethyl 3-phenyl-2-propynoate Ethyl 3-phenylprop-2-ynoate Ethyl 3-phenylpropiolate Ethyl 3-phenylpropynoate Ethyl phenylacetylenecarboxylate Ethyl phenylpropiolate Ethyl phenylpropriolate Ethyl phenylpropynoate Ethylphenylpropiolate NSC 41566 Phenylacetylene monocarboxylic acid ethyl ester Propiolic acid, phenyl-, ethyl ester