Phthalidomide - What does it mean?

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Thalidomide vs Phthalidomide - What's the difference?

thalidomide | phthalidomide |

As nouns the difference between thalidomide and phthalidomide

is that thalidomide is (pharmaceutical drug) oxopiperidin-3-yl)-1h-isoindole-1,3(2h)dione c13h10n2[[oxygen|o4 — a drug that was sold during the late 1950s and 1960s as a sleeping aid, and to pregnant women as an antiemetic to combat morning sickness and other symptoms, but was withdrawn after being proven to cause severe birth defects, such as phocomelia; currently used to treat leprosy while phthalidomide is alternative spelling for thalidomide.