What would be later named leukotriene C, "slow reaction smooth muscle-stimulating substance" (SRS) was originally described between 1938 and 1940 by Feldberg and Kellaway.
A substancia que foi denominada leucotrieno C, "substancia estimulante do músculo liso de reacción lenta" (SRS) xa fora anteriormente descrita entre 1938 e 1940 por Feldberg e Kellaway.