methyl 5-(aminocarbonyl)-2-[(cyanoacetyl)amino]-4-methylthiophene-3-carboxylate

methyl 2-[(cyanoacetyl)amino]-4-ethyl-5-methylthiophene-3-carboxylate

dimethyl 5-[(cyanoacetyl)amino]-3-methylthiophene-2,4-dicarboxylate

ethyl 2-[(cyanoacetyl)amino]-5-[(dimethylamino)carbonyl]-4-methylthiophene-3-carboxylate

4-cyano-5-[(cyanoacetyl)amino]-N,N-diethyl-3-methylthiophene-2-carboxamide

2-cyano-N-{4-[(1,3-thiazol-2-ylamino)sulfonyl]phenyl}acetamide

ethyl 2-[(cyanoacetyl)amino]-5-methylthiophene-3-carboxylate

ethyl 2-[(cyanoacetyl)amino]thiophene-3-carboxylate

2-cyano-N-(pyridin-2-ylmethyl)acetamide

4-cyano-5-[(cyanoacetyl)amino]-N,N,3-trimethylthiophene-2-carboxamide