英文同义词:
3,5-DINITROPYRIDINE;Nicotinic Acid IMpurity L (3, 5-Dinitropyridine);Nicotinic Acid Impurity 2;Nicotinic acid EP Impurity I;Nicotinic Acid EP Impurity I (3,5-Dinitropyridine);Nicotinamide 3,5-Dinitropyridine Impurity;Pyridine, 3,5-dinitro-;Nicotinic Acid Impurity 9 (Nicotinic Acid EP Impurity I)