-(.beta.,.beta.'-Dichlorodiethylaminomethyl)tetracycline 2-Naphthacenecarboxamide, N-[[bis(2-chloroethyl)amino]methyl]-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-, (4S-(4.alpha.,4a.alpha.,5a.alpha.,6.beta.,12.alpha.))- 72-09-3 NSC47461 TCM Tetracycline mustard