Methyl 2-((5,6-dimethyl-2H-pyran-2-yl)(ethoxy)amino)-4-methyl-5-(m-tolylcarbamoyl)thiophene-3-carboxylate 1g

Methyl 2-((5,6-dimethyl-2H-pyran-2-yl)(ethoxy)amino)-4-methyl-5-(m-tolylcarbamoyl)thiophene-3-carboxylate 1g