a nějaká aditiva do leteckého benzínu:
http://tinyurl.com/a8h87yq
"Aviation fuels consist of blends of over a thousand chemicals, primarily hydrocarbons (paraffins, olefins, naphthenes, and aromatics), as well as additives, such as antioxidants and metal deactivators, and impurities. Principal components include n-heptane and isooctane. "
Aviation fuel - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Aviation_fuel