Preferred Label : 3-methoxy-1,3,5(10)-estratriene-17(R)-spiro-6'-(2'-(bis-(2-chloroethyl)amino)-2'-oxo-1'-oxa-3'-aza-2'-phosphorane);
MeSH note : cytotoxic agent prepared by attaching the cyclophosphamide moiety to the 17-carbon
of the steroid molecule; structure;
Is substance : O;
Origin ID : C008395;
UMLS CUI : C0603553;
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