Pyruvic acid was formed - a key chemical which living organisms use to extract energy from food.
(Pyruvic acid; was formed; ) (a key chemical; use; to extract energy from food) Context(a key chemical use,List([26, 67))):(which living organisms; to extract; energy; from food)
a key chemical use,List([26, 67))
Pyruvic acid a key chemical which living organisms
was formed use to extract
to extract energy from food
energy from food