Polonium 210

Polonium 210 is a Russian poison created by Shochiku that first appeared in the 2008 Guilala film, The Monster X Strikes Back: Attack the G8 Summit.

The Monster X Strikes Back: Attack the G8 Summit
After the president of Italy's failed attempt at killing Guilala, the president of Russia proposed a plan to kill it with a poison called Polonium 210. Later, the plan was carried out by shooting a large syringe of the poison at Guilala. But, the substance only put Guilala in a temporary sleep.

Filmography

 * The Monster X Strikes Back: Attack the G8 Summit