英文别名2-Thiophenecarboxamide,N-methyl-; Tenoxicam EP Impurity C; Thiophene-2-carboxylic acid methylamide; Tenoxicam Impurity C; N-Methyl-2-thiophenecarboxamide; N-Methyl-thiophen-carboxamid-(2); Thiophen-2-carbonsaeure-methylamid; N-Methyl-2-thiophene carboxamide