6-SULFATOXYMELATONIN

6-(SULFONYLOXY)MELATONIN

6-HYDROXYMELATONIN SULFATE

[3-(2-acetamidoethyl)-5-methoxy-1H-indol-6-yl] hydrogen sulfate

sulfuric acid [3-(2-acetamidoethyl)-5-methoxy-1H-indol-6-yl] ester