Bought this old bottle, any idea on when it dates back to or the chemical it contains?
By - TheSnazzyChameleon
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Merck reports selling a cork stopped 1oz bottle of this for 1.50 in (https://books.google.com/books?id=WEQ1AQAAMAAJ&newbks=0&printsec=frontcover&pg=PR1&dq=merck+theobromine+sodium-salicylate+cork&hl=en#v=onepage&q=merck%20theobromine%20sodium-salicylate%20cork&f=false)