It's a known variation.
Any sensible move order has a name for it. Even unsensible things such as the Sodium-Bicarbonate attack (1.Na3) have names though.
Known or not?
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I personally don't know the name though. Usually black plays dxc6. It should have a name though.
Is this a known opening? if not i now claim it as my own...henceforth it shall be known as the brown system