3-Thiophenecarboxylic acid, 2-[(2-chloroacetyl)amino]-5-methyl-4-(4-methylphenyl)-, ethyl ester
3-Thiophenecarboxylic acid, 2-[(chloroacetyl)amino]-5-methyl-4-(4-methylphenyl)-, ethyl ester
Ethyl 2-[(2-chloroacetyl)amino]-5-methyl-4-(4-methylphenyl)-3-thiophenecarboxylate