What would be an appropriate price & avail for Tetradotoxin (Parazoology, p.32) / Fugu-5 (Shadowrun 2050, p. 181)?
In Shadowrun 2050, it is statted for 25 and 6R, which would immediately make every other toxin useless. Shadowrun 3 uses 10k and 4/72hrs, which is really expensive, considering that TTX can be harvested from various animals.

Shadowrun 2 uses 900 and 12/14days, so i think i will go with 1000nY and avail 20F.