If I'm reading correctly, the half-life is 138 days, or 4-1/2 months. If you start with 5 times the lethal dose (still a very small quantity), you've got a yea

If I'm reading correctly, the half-life is 138 days, or 4-1/2 months. If you start with 5 times the lethal dose (still a very small quantity), you've got a year to administer it.