Isolation and identification of 4-ketocyclophosphamide, a possible active form of the antitumor agent cyclophosphamide.
D000818:Animals; D002247:Carbon Isotopes; D002845:Chromatography; D003520:Cyclophosphamide / Q000378:metabolism* / Q000652:urine; D004285:Dogs; D007659:Ketones / Q000378:metabolism*; D013057:Spectrum Analysis
D002247:Carbon Isotopes; D007659:Ketones; D003520:Cyclophosphamide