sturamustine sturamustine sturamustine, also known as dehydroepiandrosterone (dhea) 17β-n-(2-chloroethyl)-n-nitrosourea, is a synthetic androstane steroid and a c17β nitrosourea conjugate of dehydroepiandrosterone (dhea) which was developed as a cytostatic antineoplastic agent (i.e., a chemotherapy drug) for the treatment of hormone-dependent tumors but was never marketed. it was synthesized in 1982. sturamustineclinical dataother namesdehydroepiandrosterone (dhea) 17β-n-(2-chloroethyl)-n-nitrosourea; n-(2-chloroethyl)-n'-(3-hydroxyandrost-5-en-17-yl)-n-nitrosoureaidentifiers iupac name n-(2-chloroethyl)-n'--n-nitrosocarbamimidic acid cas number81912-55-2chemspider57260288chemical and physical dataformulac22h34cln3o3molar mass423.98 g·mol−13d model (jsmol)interactive image smiles c12cc3(1cc2/n=c(/n(cccl)n=o)\o)cc=c43(cc(c4)o)c inchi inchi=1s/c22h34cln3o3/c1-21-9-7-15(27)13-14(21)3-4-16-17-5-6-19(22(17,2)10-8-18(16)21)24-20(28)26(25-29)12-11-23/h3,15-19,27h,4-13h2,1-2h3,(h,24,28)/t15-,16-,17-,18-,19-,21-,22-/m0/s1key:qshccjgnlacwqq-umwwkmarsa-n