The methyl ester of the nitrosamino acid, N-Nitroso-N-methylaminobutyric acid. This N-nitrosamino acid has been isolated and identified in various types of tobacco, including snuff, chewing and pipe tobacco, cigars and cigarettes.
危险品:
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
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