Thallic compound, a compound which contains thallium in the +3 oxidation state
The Clerici solution is a mixture of thallium formate (Tl(CHO2)) and thallium malonate (Tl(C3H3O4)) in water.
Her symptoms were posted to the Internet via a Usenet newsgroup by her friend from Peking University, Bei Zhicheng and was subsequently proven to be thallium poisoning.