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. 2010 Apr 28;2010:307578. doi: 10.1155/2010/307578

Figure 1.

Figure 1

(a) Metallocene dihalides with antitumor activity. Key: (M) = maximum activity; M = sporadic activity; M = no activity. (b) FeIII binding sites in bacterial ferric ion-binding proteins (Neisseria gonorrhoeae or Haemophilus influenzae).