the hydroperoxy and several alkylthio derivatives of the antitumor agents cyclophosphamide ( 2-bis ( 2-chloroethyl ) amino tetrahydro-2h-1,3,2-oxazaphosphorine 2-oxide ) , ifosfamide ( 3- ( 2-chloroethyl ) -2- ( 2-chloroethylamino ) tetrahydro-2h-1,3,1-oxazaphosphorine 2-oxide ) and trofosfamide ( 3- ( 2-chloroethyl ) -2- ( bis ( 2-chloroethyl ) amino ) tetrahydro-2h-1,3,2-oxazaphosphori ne 2-oxide ) were characterized by electron impact and field desorption mass spectrometry .
C0010583
cyclophosphamide
C0020823
ifosfamide