TY - BOOK AU - McCormick,J.E. AU - Maxwell,R.J. AU - McElhinney,R.S. AU - McMurray,T.B.H. TI - Nucleoside analogues. Part 12. The anomalous 19F NMR spectrum of B3996, a molecular combination of 5-fluorouracil and N-(2-chloroethyl)-N-nitrosourea, and synthesis of its N'-nitroso isomer and related compounds ER -