trichloroethene + chloride + A + H(+) = tetrachloroethene + AH2
trichloroethene + chloride + a + h(+) = tetrachloroethene + ah2
trichloroethene + chloride + A + H(+) = tetrachloroethene + AH2
trichloroethene + chloride + a + h(+) = tetrachloroethene + ah2