3-(2-acetamidoethyl)-5-methoxy-1H-indole-6-sulfonicacid-D4; N-[2-[5-Methoxy-6-(sulfooxy)-1H-indol-3-yl]ethyl]acetamide-d4 Sodium Salt; 6-(Sulfonyloxy)melatonin-d4 Sodium Salt; 6-Hydroxymelatonin-d4 Sulfate Sodium Salt; 6-Sulphatoxymelatonin-d4 Sodium Salt;
