in acetonitrile 0.166667 h; Irradiationother nitrobenzyl-based phosphoramide mustards, alkylating activity relative to bis(2-nitrobenzyl) N,N-bis(2-chloroethyl)phosphoramidate by 4-(4-nitrobenzyl)pyridine test in NaOAc buffer pH 4.6 in water/acetone, other reaction time;