make it undrinkable.” Phthalic Anhydride/Trimellitic Anhydride/Glycols Copolymer : A compound found in nail polishes. Denatonium Benzoate : This is the active ingredient…”is the bitterest chemical compound known.” Acetyl Tributyl Citrate: A common plasticizer : http://en.wikipedia.org/wiki/Acetyl_tributyl_citrate Sucrose Octaacetate : Another bitter compound, non-harmful, found in pesticides and herbicides. Do you really feel