arsphenamine

Etymology
From +  +.

Noun

 * 1)  A phenolic amine derivative of arsenic that was used to treat syphilis (under the trade name of Salvarsan).
 * 2) * 2001: The 606th compound was one that contained arsenic and was called arsphenamine. — Leslie Iversen, Drugs: A Very Short Introduction (Oxford 2001, p. 9)

Translations

 * Portuguese: arsfenamina