2-Thiopheneglyoxylic acid4075-59-6100 % similar Thiophene-2-carboxylic acid527-72-057 % similar Ethyl 2-thienylglyoxylate4075-58-549 % similar 2-Thiophenecarbonyl chloride5271-67-047 % similar 2-Thiophenecarboxamide5813-89-847 % similar γ-Oxo-2-thiophenebutanoic acid4653-08-146 % similar 2-Benzoylthiophene135-00-244 % similar 2-Bromo-1-(thiophen-2-yl)ethan-1-one10531-41-643 % similar 1-(2-Thienyl)-1-propanone13679-75-943 % similar Thiophene-2-carbohydrazide2361-27-543 % similar Methyl 2-thiophenecarboxylate5380-42-743 % similar Cyclopropyl-2-thienylmethanone6193-47-143 % similar Copper(I) thiophene-2-carboxylate68986-76-543 % similar Ethyl 2-thiophenecarboxylate2810-04-041 % similar 1-(2-Thienyl)-1-butanone5333-83-541 % similar (4-Fluorophenyl)-2-thienylmethanone579-49-739 % similar 2-Amino-α-oxo-4-thiazoleacetic acid73150-67-139 % similar Thiophene-2-acetic acid1918-77-039 % similar 2-Thiophenebutanoic acid4653-11-638 % similar 2-Thiophenecarbothioamide20300-02-138 % similar