Assertion: nitrosamine impurity | /r/Synonym | n-nitrosodimethylamine
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Source sentences:
text: In September 2019, the U.S. Food and Drug Administration (FDA) learned that some ranitidine medicines, including some products sold under the brand name Zantac, contained a nitrosamine impurity called N-nitrosodimethylamine (NDMA), classified as a probable human carcinogen, at low levels.