Thiotepa
Thiotepa (N,N',N''(-triethylenethiophosphoramide, INN), sold under the brand name Tepadina among others, is an anti-cancer medication. Thiotepa is an organophosphorus compound with the formula (C2H4N)3PS. == History == Thiotepa and its synthesis were patented in 1952 by the American Cyanamid company.