It's nothing like 1,4AD. That is a classified substance in the US to and was in all the old "Bold" prohormones.
Erase is entirely different and actually a metabolite of 7-oxo-DHEA. Im not sure of the laws there but if you can buy 7-keto you should be able to buy Erase.
Looks like whoever confiscated it doesn't know how to read.