Synthesis and Evaluation of Novel Organogermanium Sesquioxides As Antitumor Agents

Figure 2

Labeling yields (Lys) at different conditions.

(a) Germanium sesquioxide: 0.1 mg, SnCl₂: 0.1 mg, T = 20°C, t = 10 minutes

(b) Germanium sesquioxide: 0.1 mg, SnCl₂: 0.1 mg, pH = 7.0, t = 10 minutes

(c) Germanium sesquioxide: 0.1 mg, pH = 7.0, T = 20°C, t = 10 minutes

(d) pH = 7.0, SnCl₂: 0.1 mg, T = 20°C, t = 10 minutes

(e) Germanium sesquioxide: 1 mg, SnCl₂: 0.1 mg, T = 20°C, pH = 7.0