Minor note, the Lobi store also sells a couple of paralysis grenades for 5 crystals each

http://www.stowiki.org/Chroniton_Grenade
http://www.stowiki.org/Tholian_Web_Grenade

Seems like its easier to grind the mission for the Breen grenades, and not really what I was looking for anyway, but wanted to add them here