One of Fieser's colleagues suggested adding phosphorus to the mix which increased the "ability to penetrate deeply...into the musculature, where it would continue to burn day after day."
Üks Fieseri kolleegidest soovitas lisada segusse fosforit, mis suurendas aine "läbitungimisjõudu... lihaskonda, kus see jätkab põlemist päevade kaupa".