ethyl 2-[(1-cyanonaphthalen-2-yl)amino]-2-oxoacetate

N-(1-cyano-2-naphthyl)oxamic acid

3-cyano-2-propan-2-ylazulene-1-carboxylic acid

3-cyano-2-propylazulene-1-carboxylic acid

ethyl 2-(2-hydroxyanilino)-1-benzofuran-3-carboxylate