SEARCH Articles Figures Tables 2-Propynoic acid 2-Propynoic acid 4-chlorophenyl 2-Propynoic acid, 3-phenyl-, methyl ester cobalt complex 2-Propynoic acid, phenyl-, methyl ester 3- propynoates 3-Trimethylsilyl-2-propynoate Acetylene propynoic acid Ethyl 3- propynoate Methyl 3-propynoate, reaction Methyl phenyl-2-propynoate Methyl propynoate Phenyl propynoate Propynoate esters Propynoate esters conjugate additions Propynoic acid amides Propynoic acid, trimerization Propynoic esters Propynoic esters reaction with