Charlie Noble eliquid. They discontinued the liquid and thus released the recipe.

http://charlienoble.com/blogs/thoughts-from-charlie/pb-cereal-its-time-to-release-the-recipe

Because the recipe editor (form) doesn't allow anything but percentages, Saline Solution and Acetyl Pyrazine are set to 0.01% but that should be 1 drop per 10 ml.