[CedarDave]

It's the same thing as the products listed in my opening excerpted sentence. Here is the entire paragraph which I had to cut to meet the posting limitations:

Known as anti-coagulants, the chemicals prevent blood from clotting or coagulating. One is known as warfarin — the same chemical sold to people as Coumadin, a prescription blood thinner. A new "super toxic" strain of rodenticide was developed in the 1970s because it required only a single dose to kill a rat. The Brand names include Havoc, Talon, Contrac, Maki, Ratimus and d-CON Mouse Pruf II.

[bigheadfred]

Surely you’re not suggesting I break with tradition and actually read the article before I post? :-))