How To: Remove Desktop Wood Stain?

It's shocking that we keep glasses of liquid anywhere near our computers. It's an expensive computer-ruining disaster waiting to happen. A recent glass spillage on our desktop fortunately didn't reach the big guy but it did spread nicely across much of the desk surface, including under a bright pink post-it pad...

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The strange timing and circumstances of the spill were such that we didn't get to the water under the post-its ASAP. The result is the aggressive stain you see in the photos above. So, we turn to your collective reservoir of knowledge in hopes that you have some miracle suggestion, short of stripping and restaining the pine desktop. Thanks!