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3-Pyridinecarboxylicacid, 4-methyl- , its cas register number is 3222-50-2. It also can be called 4-Methylnicotinic acid ; 4-Methyl-3-pyridinecarboxylic acid ; 4-Methylnicotinic acid hydrochloride ;4-Methylpyridine-3-Carboxylic Acid . 3-Pyridinecarboxylicacid, 4-methyl- (CAS NO.3222-50-2) is irritating to eyes, respiratory system and skin. So you should wear suitable protective clothing.
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