4.1.1.84 D-dopachrome = 5,6-dihydroxyindole + CO2 - - 4.1.1.84 D-dopachrome = 5,6-dihydroxyindole + CO2 animal experiments with CCl4 injections, results suggest that the increase in DDT is a response to liver damage, accelerates melanin biosynthesis and protects the liver from oxidative stress induced by CCl4 695207