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Reference.org
Altretamine
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<p>Altretamine (trade name Hexalen), also called hexamethylmelamine, is an <a href="/facts/Antineoplastic_agent/fWTLbaUT">antineoplastic agent</a>. It was approved by the <a href="/facts/Food_and_Drug_Administration/rCEnh9WB">U.S. FDA</a> in 1990. </p>