In 1898, English chemist Morris W. Travers and Scottish chemist William Ramsay discovered this all-important chemical element in the City of London in England. Aside from neon, they were also credited for discovering krypton and xenon.Ramsay chilled an atmosphere sample, which he then liquefied and warmed.n 1898, English chemist Morris W. Travers and Scottish chemist William Ramsay discovered this all-important chemical element in the City of London in England. Aside from neon, they were also credited for discovering krypton and xenon. Ramsay chilled an atmosphere sample, which he then liquefied and warmed.
Azacitidine, marketed as Vidaza, is used mainly in the treatment of myelodysplastic syndrome, for which it received approval by the U.S. Food and Drug Administration on May 19, 2004.
Trade names: VidazaÂ®. Other name: 5-Azacitidine Drug type: Azacitidine is an anti-cancer (antineoplastic or cytotoxic) chemotherapy drug. This medication is classified as an antimetabolite and a demethylation agent. (For more detail, see How this drug works section below.) Treatment of myelodysplastic syndrome (MDS)