http://products.kvsupply.com/taktic_..._109116021.php

I called, and you're right: they said it's been on "indefinite backorder" for a couple years now.

I did to an internet search, and found a ton of vendors, but I didn't spend any time checking them out.

The drug is out there, so maybe you can do your own search and let us all know

Interesting,

Jack