The notes had a sequence number and date in the corner of
18:05:03:09:16:05 6-15-18
which wasn't a date but an a1z26 conversion to spell recipe for which was a link to the A.P.E. website that was password protected.
https://www.appliedprimate.com/recipe-for
The note
Despite there being multiple compounds to identify in his notes, three stood out for being a different color than the rest by being brown. After consultation with the labs compound expert, they were identified to be Dimethylurea, Malonic Acid and Theobromine
https://en.wikipedia.org/wiki/Dimethylureahttps://en.wikipedia.org/wiki/Malonic_acidhttps://en.wikipedia.org/wiki/Theobromine
Dimethylurea and Malonic Acid are the primary ingredients in Caffeine while Theobromine is the primary ingredient in Cocoa. The combination of Caffeine and Cocoa makes mocha, the answer to access the website.