英文别名Regorafenib Impurity 18; 2-Pyridinecarboxamide,N-methyl-(9CI); N-Methyl-2-pyridinecarboxamide; N-Methyl PicolinaMide; 2-Pyridinecarboxamide, N-methyl-; Sorafenib Related Compound 27; N-Methylpicolinamide (Sorafenib Impurity); Sorafenib related compound 34; Sorafenib Related Compound 27 HCl; N-methylpyridine-2-carboxamide; N-methyl-2-pyridinecarboxyamide; 2-Methylaminocarbonylpyridine; N-methylnicotinamide; Pyridine-2-carboxylic acid methylamide; N-methyl-2-pyridylcarboxamide; Sorafenib Impurity 20 
