英文别名Pantoprazole Impurity 24; Pyridine, 3-Methoxy-2-Methyl-4-nitro-, 1-oxide; Pantoprazole EP Impurity 23; 2-methyl-3-methoxy-4-nitropyridine-N-oxide; 2-Methyl-3-methoxy-4-nitro-pyridin-N-oxid; 3-methoxy-2-methyl-4-nitropyridine N-oxide; N-oxide of 2-methyl-3-methoxy-4-nitropyridine; 4-nitro-3-methoxy-2-methylpyridine N-oxide 
