Figure 1.

Anion efficiency curve upon electron attachment to tirapazamine (TPZ) as a function of the electron energy for the formation of (a) intact parent anion TPZ−, (b) OH dissociation, (c) H dissociation and (d) NH2 dissociation channels.

Anion efficiency curve upon electron attachment to tirapazamine (TPZ) as a function of the electron energy for the formation of (a) intact parent anion TPZ−, (b) OH dissociation, (c) H dissociation and (d) NH2 dissociation channels.