1-Aminoethane-2-sulfonic Acid-D4,1-Aminoethane-2-sulfonic Acid-D4,"Taurine-d4 is the isotope labelled analog of Taurine , an organic acid found in animal tissues and is a major constituent of bile. Taurine has many biological roles such as conjugation of bile acids, antioxidation, osmoregulation, membrane stabilization and modulation of calcium signaling.",Alkane